diff --git a/apps/blockchain-node/src/aitbc_chain/consensus/poa.py b/apps/blockchain-node/src/aitbc_chain/consensus/poa.py
index f5d17f35..a6d713ac 100644
--- a/apps/blockchain-node/src/aitbc_chain/consensus/poa.py
+++ b/apps/blockchain-node/src/aitbc_chain/consensus/poa.py
@@ -81,7 +81,7 @@ class PoAProposer:
         if self._task is not None:
             return
         self._logger.info("Starting PoA proposer loop", extra={"interval": self._config.interval_seconds})
-        self._ensure_genesis_block()
+        await self._ensure_genesis_block()
         self._stop_event.clear()
         self._task = asyncio.create_task(self._run_loop())
 
@@ -99,7 +99,7 @@ class PoAProposer:
             if self._stop_event.is_set():
                 break
             try:
-                self._propose_block()
+                await self._propose_block()
             except Exception as exc:  # pragma: no cover - defensive logging
                 self._logger.exception("Failed to propose block", extra={"error": str(exc)})
 
@@ -117,7 +117,7 @@ class PoAProposer:
         except asyncio.TimeoutError:
             return
 
-    def _propose_block(self) -> None:
+    async def _propose_block(self) -> None:
         # Check internal mempool
         from ..mempool import get_mempool
         if get_mempool().size(self._config.chain_id) == 0:
@@ -171,7 +171,7 @@ class PoAProposer:
             )
             
             # Broadcast the new block
-            gossip_broker.publish(
+            await gossip_broker.publish(
                 "blocks",
                 {
                     "height": block.height,
@@ -184,7 +184,7 @@ class PoAProposer:
                 }
             )
 
-    def _ensure_genesis_block(self) -> None:
+    async def _ensure_genesis_block(self) -> None:
         with self._session_factory() as session:
             head = session.exec(select(Block).where(Block.chain_id == self._config.chain_id).order_by(Block.height.desc()).limit(1)).first()
             if head is not None:
@@ -207,7 +207,7 @@ class PoAProposer:
             session.commit()
             
             # Broadcast genesis block for initial sync
-            gossip_broker.publish(
+            await gossip_broker.publish(
                 "blocks",
                 {
                     "height": genesis.height,
diff --git a/apps/blockchain-node/src/aitbc_chain/consensus/poa.py.orig b/apps/blockchain-node/src/aitbc_chain/consensus/poa.py.orig
new file mode 100644
index 00000000..3cb8261e
--- /dev/null
+++ b/apps/blockchain-node/src/aitbc_chain/consensus/poa.py.orig
@@ -0,0 +1,229 @@
+import asyncio
+import hashlib
+import re
+from datetime import datetime
+from typing import Callable, ContextManager, Optional
+
+from sqlmodel import Session, select
+
+from ..logger import get_logger
+from ..metrics import metrics_registry
+from ..config import ProposerConfig
+from ..models import Block
+from ..gossip import gossip_broker
+
+_METRIC_KEY_SANITIZE = re.compile(r"[^a-zA-Z0-9_]")
+
+
+def _sanitize_metric_suffix(value: str) -> str:
+    sanitized = _METRIC_KEY_SANITIZE.sub("_", value).strip("_")
+    return sanitized or "unknown"
+
+
+
+import time
+
+class CircuitBreaker:
+    def __init__(self, threshold: int, timeout: int):
+        self._threshold = threshold
+        self._timeout = timeout
+        self._failures = 0
+        self._last_failure_time = 0.0
+        self._state = "closed"
+
+    @property
+    def state(self) -> str:
+        if self._state == "open":
+            if time.time() - self._last_failure_time > self._timeout:
+                self._state = "half-open"
+        return self._state
+
+    def allow_request(self) -> bool:
+        state = self.state
+        if state == "closed":
+            return True
+        if state == "half-open":
+            return True
+        return False
+
+    def record_failure(self) -> None:
+        self._failures += 1
+        self._last_failure_time = time.time()
+        if self._failures >= self._threshold:
+            self._state = "open"
+
+    def record_success(self) -> None:
+        self._failures = 0
+        self._state = "closed"
+
+class PoAProposer:
+    """Proof-of-Authority block proposer.
+
+    Responsible for periodically proposing blocks if this node is configured as a proposer.
+    In the real implementation, this would involve checking the mempool, validating transactions,
+    and signing the block.
+    """
+
+    def __init__(
+        self,
+        *,
+        config: ProposerConfig,
+        session_factory: Callable[[], ContextManager[Session]],
+    ) -> None:
+        self._config = config
+        self._session_factory = session_factory
+        self._logger = get_logger(__name__)
+        self._stop_event = asyncio.Event()
+        self._task: Optional[asyncio.Task[None]] = None
+        self._last_proposer_id: Optional[str] = None
+
+    async def start(self) -> None:
+        if self._task is not None:
+            return
+        self._logger.info("Starting PoA proposer loop", extra={"interval": self._config.interval_seconds})
+        self._ensure_genesis_block()
+        self._stop_event.clear()
+        self._task = asyncio.create_task(self._run_loop())
+
+    async def stop(self) -> None:
+        if self._task is None:
+            return
+        self._logger.info("Stopping PoA proposer loop")
+        self._stop_event.set()
+        await self._task
+        self._task = None
+
+    async def _run_loop(self) -> None:
+        while not self._stop_event.is_set():
+            await self._wait_until_next_slot()
+            if self._stop_event.is_set():
+                break
+            try:
+                self._propose_block()
+            except Exception as exc:  # pragma: no cover - defensive logging
+                self._logger.exception("Failed to propose block", extra={"error": str(exc)})
+
+    async def _wait_until_next_slot(self) -> None:
+        head = self._fetch_chain_head()
+        if head is None:
+            return
+        now = datetime.utcnow()
+        elapsed = (now - head.timestamp).total_seconds()
+        sleep_for = max(self._config.interval_seconds - elapsed, 0.1)
+        if sleep_for <= 0:
+            sleep_for = 0.1
+        try:
+            await asyncio.wait_for(self._stop_event.wait(), timeout=sleep_for)
+        except asyncio.TimeoutError:
+            return
+
+    async def _propose_block(self) -> None:
+        # Check internal mempool
+        from ..mempool import get_mempool
+        if get_mempool().size(self._config.chain_id) == 0:
+            return
+
+        with self._session_factory() as session:
+            head = session.exec(select(Block).where(Block.chain_id == self._config.chain_id).order_by(Block.height.desc()).limit(1)).first()
+            next_height = 0
+            parent_hash = "0x00"
+            interval_seconds: Optional[float] = None
+            if head is not None:
+                next_height = head.height + 1
+                parent_hash = head.hash
+                interval_seconds = (datetime.utcnow() - head.timestamp).total_seconds()
+
+            timestamp = datetime.utcnow()
+            block_hash = self._compute_block_hash(next_height, parent_hash, timestamp)
+
+            block = Block(
+                chain_id=self._config.chain_id,
+                height=next_height,
+                hash=block_hash,
+                parent_hash=parent_hash,
+                proposer=self._config.proposer_id,
+                timestamp=timestamp,
+                tx_count=0,
+                state_root=None,
+            )
+            session.add(block)
+            session.commit()
+
+            metrics_registry.increment("blocks_proposed_total")
+            metrics_registry.set_gauge("chain_head_height", float(next_height))
+            if interval_seconds is not None and interval_seconds >= 0:
+                metrics_registry.observe("block_interval_seconds", interval_seconds)
+                metrics_registry.set_gauge("poa_last_block_interval_seconds", float(interval_seconds))
+
+            proposer_suffix = _sanitize_metric_suffix(self._config.proposer_id)
+            metrics_registry.increment(f"poa_blocks_proposed_total_{proposer_suffix}")
+            if self._last_proposer_id is not None and self._last_proposer_id != self._config.proposer_id:
+                metrics_registry.increment("poa_proposer_switches_total")
+            self._last_proposer_id = self._config.proposer_id
+
+            self._logger.info(
+                "Proposed block",
+                extra={
+                    "height": block.height,
+                    "hash": block.hash,
+                    "proposer": block.proposer,
+                },
+            )
+            
+            # Broadcast the new block
+            await gossip_broker.publish(
+                "blocks",
+                {
+                    "height": block.height,
+                    "hash": block.hash,
+                    "parent_hash": block.parent_hash,
+                    "proposer": block.proposer,
+                    "timestamp": block.timestamp.isoformat(),
+                    "tx_count": block.tx_count,
+                    "state_root": block.state_root,
+                }
+            )
+
+    async def _ensure_genesis_block(self) -> None:
+        with self._session_factory() as session:
+            head = session.exec(select(Block).where(Block.chain_id == self._config.chain_id).order_by(Block.height.desc()).limit(1)).first()
+            if head is not None:
+                return
+
+            # Use a deterministic genesis timestamp so all nodes agree on the genesis block hash
+            timestamp = datetime(2025, 1, 1, 0, 0, 0)
+            block_hash = self._compute_block_hash(0, "0x00", timestamp)
+            genesis = Block(
+                chain_id=self._config.chain_id,
+                height=0,
+                hash=block_hash,
+                parent_hash="0x00",
+                proposer="genesis",
+                timestamp=timestamp,
+                tx_count=0,
+                state_root=None,
+            )
+            session.add(genesis)
+            session.commit()
+            
+            # Broadcast genesis block for initial sync
+            await gossip_broker.publish(
+                "blocks",
+                {
+                    "height": genesis.height,
+                    "hash": genesis.hash,
+                    "parent_hash": genesis.parent_hash,
+                    "proposer": genesis.proposer,
+                    "timestamp": genesis.timestamp.isoformat(),
+                    "tx_count": genesis.tx_count,
+                    "state_root": genesis.state_root,
+                }
+            )
+
+    def _fetch_chain_head(self) -> Optional[Block]:
+        with self._session_factory() as session:
+            return session.exec(select(Block).order_by(Block.height.desc()).limit(1)).first()
+
+    def _compute_block_hash(self, height: int, parent_hash: str, timestamp: datetime) -> str:
+        payload = f"{self._config.chain_id}|{height}|{parent_hash}|{timestamp.isoformat()}".encode()
+        return "0x" + hashlib.sha256(payload).hexdigest()
diff --git a/apps/blockchain-node/src/aitbc_chain/consensus/poa.py.rej b/apps/blockchain-node/src/aitbc_chain/consensus/poa.py.rej
new file mode 100644
index 00000000..28b1bc19
--- /dev/null
+++ b/apps/blockchain-node/src/aitbc_chain/consensus/poa.py.rej
@@ -0,0 +1,11 @@
+--- apps/blockchain-node/src/aitbc_chain/consensus/poa.py
++++ apps/blockchain-node/src/aitbc_chain/consensus/poa.py
+@@ -101,7 +101,7 @@
+                 # Wait for interval before proposing next block
+                 await asyncio.sleep(self.config.interval_seconds)
+                 
+-                self._propose_block()
++                await self._propose_block()
+                 
+         except asyncio.CancelledError:
+             pass
diff --git a/apps/coordinator-api/poetry.lock b/apps/coordinator-api/poetry.lock
index f56cde5c..f61fa1bf 100644
--- a/apps/coordinator-api/poetry.lock
+++ b/apps/coordinator-api/poetry.lock
@@ -308,6 +308,60 @@ files = [
     {file = "colorama-0.4.6.tar.gz", hash = "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44"},
 ]
 
+[[package]]
+name = "cuda-bindings"
+version = "12.9.4"
+description = "Python bindings for CUDA"
+optional = false
+python-versions = "*"
+groups = ["main"]
+markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""
+files = [
+    {file = "cuda_bindings-12.9.4-cp310-cp310-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:a022c96b8bd847e8dc0675523431149a4c3e872f440e3002213dbb9e08f0331a"},
+    {file = "cuda_bindings-12.9.4-cp310-cp310-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:4d3c842c2a4303b2a580fe955018e31aea30278be19795ae05226235268032e5"},
+    {file = "cuda_bindings-12.9.4-cp310-cp310-win_amd64.whl", hash = "sha256:f69107389e6b9948969bfd0a20c4f571fd1aefcfb1d2e1b72cc8ba5ecb7918ab"},
+    {file = "cuda_bindings-12.9.4-cp311-cp311-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:a6a429dc6c13148ff1e27c44f40a3dd23203823e637b87fd0854205195988306"},
+    {file = "cuda_bindings-12.9.4-cp311-cp311-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:c912a3d9e6b6651853eed8eed96d6800d69c08e94052c292fec3f282c5a817c9"},
+    {file = "cuda_bindings-12.9.4-cp311-cp311-win_amd64.whl", hash = "sha256:443b0875916879c2e4c3722941e25e42d5ab9bcbf34c9e83404fb100fa1f6913"},
+    {file = "cuda_bindings-12.9.4-cp312-cp312-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:694ba35023846625ef471257e6b5a4bc8af690f961d197d77d34b1d1db393f56"},
+    {file = "cuda_bindings-12.9.4-cp312-cp312-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:fda147a344e8eaeca0c6ff113d2851ffca8f7dfc0a6c932374ee5c47caa649c8"},
+    {file = "cuda_bindings-12.9.4-cp312-cp312-win_amd64.whl", hash = "sha256:696ca75d249ddf287d01b9a698b8e2d8a05046495a9c051ca15659dc52d17615"},
+    {file = "cuda_bindings-12.9.4-cp313-cp313-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:cf8bfaedc238f3b115d957d1fd6562b7e8435ba57f6d0e2f87d0e7149ccb2da5"},
+    {file = "cuda_bindings-12.9.4-cp313-cp313-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:32bdc5a76906be4c61eb98f546a6786c5773a881f3b166486449b5d141e4a39f"},
+    {file = "cuda_bindings-12.9.4-cp313-cp313-win_amd64.whl", hash = "sha256:a2e82c8985948f953c2be51df45c3fe11c812a928fca525154fb9503190b3e64"},
+    {file = "cuda_bindings-12.9.4-cp313-cp313t-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:3adf4958dcf68ae7801a59b73fb00a8b37f8d0595060d66ceae111b1002de38d"},
+    {file = "cuda_bindings-12.9.4-cp313-cp313t-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:56e0043c457a99ac473ddc926fe0dc4046694d99caef633e92601ab52cbe17eb"},
+    {file = "cuda_bindings-12.9.4-cp313-cp313t-win_amd64.whl", hash = "sha256:b32d8b685f0e66f5658bcf4601ef034e89fc2843582886f0a58784a4302da06c"},
+    {file = "cuda_bindings-12.9.4-cp314-cp314-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:1f53a7f453d4b2643d8663d036bafe29b5ba89eb904c133180f295df6dc151e5"},
+    {file = "cuda_bindings-12.9.4-cp314-cp314-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:8b72ee72a9cc1b531db31eebaaee5c69a8ec3500e32c6933f2d3b15297b53686"},
+    {file = "cuda_bindings-12.9.4-cp314-cp314-win_amd64.whl", hash = "sha256:53a10c71fdbdb743e0268d07964e5a996dd00b4e43831cbfce9804515d97d575"},
+    {file = "cuda_bindings-12.9.4-cp314-cp314t-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:20f2699d61d724de3eb3f3369d57e2b245f93085cab44fd37c3bea036cea1a6f"},
+    {file = "cuda_bindings-12.9.4-cp314-cp314t-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:d80bffc357df9988dca279734bc9674c3934a654cab10cadeed27ce17d8635ee"},
+    {file = "cuda_bindings-12.9.4-cp314-cp314t-win_amd64.whl", hash = "sha256:53e11991a92ff6f26a0c8a98554cd5d6721c308a6b7bfb08bebac9201e039e43"},
+    {file = "cuda_bindings-12.9.4-cp39-cp39-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:893ca68114b5b769c1d4c02583b91ed22691887c3ed513b59467d23540104db4"},
+    {file = "cuda_bindings-12.9.4-cp39-cp39-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:9866ceec83e39337d1a1d64837864c964ad902992478caa288a0bc1be95f21aa"},
+    {file = "cuda_bindings-12.9.4-cp39-cp39-win_amd64.whl", hash = "sha256:37744e721a18a514423e81863f52a4f7f46f5a6f9cccd569f2735f8067f4d8c2"},
+]
+
+[package.dependencies]
+cuda-pathfinder = ">=1.1,<2.0"
+
+[package.extras]
+all = ["nvidia-cuda-nvcc-cu12", "nvidia-cuda-nvrtc-cu12", "nvidia-cufile-cu12 ; sys_platform == \"linux\"", "nvidia-nvjitlink-cu12 (>=12.3)"]
+test = ["cython (>=3.1,<3.2)", "numpy (>=1.21.1)", "pyglet (>=2.1.9)", "pytest (>=6.2.4)", "pytest-benchmark (>=3.4.1)", "setuptools (>=77.0.0)"]
+
+[[package]]
+name = "cuda-pathfinder"
+version = "1.4.0"
+description = "Pathfinder for CUDA components"
+optional = false
+python-versions = ">=3.10"
+groups = ["main"]
+markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""
+files = [
+    {file = "cuda_pathfinder-1.4.0-py3-none-any.whl", hash = "sha256:437079ca59e7b61ae439ecc501d69ed87b3accc34d58153ef1e54815e2c2e118"},
+]
+
 [[package]]
 name = "deprecated"
 version = "1.3.1"
@@ -411,6 +465,58 @@ new = ["fastapi-new (>=0.0.2)"]
 standard = ["fastapi-cloud-cli (>=0.1.1)", "uvicorn[standard] (>=0.15.0)"]
 standard-no-fastapi-cloud-cli = ["uvicorn[standard] (>=0.15.0)"]
 
+[[package]]
+name = "filelock"
+version = "3.25.0"
+description = "A platform independent file lock."
+optional = false
+python-versions = ">=3.10"
+groups = ["main"]
+files = [
+    {file = "filelock-3.25.0-py3-none-any.whl", hash = "sha256:5ccf8069f7948f494968fc0713c10e5c182a9c9d9eef3a636307a20c2490f047"},
+    {file = "filelock-3.25.0.tar.gz", hash = "sha256:8f00faf3abf9dc730a1ffe9c354ae5c04e079ab7d3a683b7c32da5dd05f26af3"},
+]
+
+[[package]]
+name = "fsspec"
+version = "2026.2.0"
+description = "File-system specification"
+optional = false
+python-versions = ">=3.10"
+groups = ["main"]
+files = [
+    {file = "fsspec-2026.2.0-py3-none-any.whl", hash = "sha256:98de475b5cb3bd66bedd5c4679e87b4fdfe1a3bf4d707b151b3c07e58c9a2437"},
+    {file = "fsspec-2026.2.0.tar.gz", hash = "sha256:6544e34b16869f5aacd5b90bdf1a71acb37792ea3ddf6125ee69a22a53fb8bff"},
+]
+
+[package.extras]
+abfs = ["adlfs"]
+adl = ["adlfs"]
+arrow = ["pyarrow (>=1)"]
+dask = ["dask", "distributed"]
+dev = ["pre-commit", "ruff (>=0.5)"]
+doc = ["numpydoc", "sphinx", "sphinx-design", "sphinx-rtd-theme", "yarl"]
+dropbox = ["dropbox", "dropboxdrivefs", "requests"]
+full = ["adlfs", "aiohttp (!=4.0.0a0,!=4.0.0a1)", "dask", "distributed", "dropbox", "dropboxdrivefs", "fusepy", "gcsfs (>2024.2.0)", "libarchive-c", "ocifs", "panel", "paramiko", "pyarrow (>=1)", "pygit2", "requests", "s3fs (>2024.2.0)", "smbprotocol", "tqdm"]
+fuse = ["fusepy"]
+gcs = ["gcsfs (>2024.2.0)"]
+git = ["pygit2"]
+github = ["requests"]
+gs = ["gcsfs"]
+gui = ["panel"]
+hdfs = ["pyarrow (>=1)"]
+http = ["aiohttp (!=4.0.0a0,!=4.0.0a1)"]
+libarchive = ["libarchive-c"]
+oci = ["ocifs"]
+s3 = ["s3fs (>2024.2.0)"]
+sftp = ["paramiko"]
+smb = ["smbprotocol"]
+ssh = ["paramiko"]
+test = ["aiohttp (!=4.0.0a0,!=4.0.0a1)", "numpy", "pytest", "pytest-asyncio (!=0.22.0)", "pytest-benchmark", "pytest-cov", "pytest-mock", "pytest-recording", "pytest-rerunfailures", "requests"]
+test-downstream = ["aiobotocore (>=2.5.4,<3.0.0)", "dask[dataframe,test]", "moto[server] (>4,<5)", "pytest-timeout", "xarray"]
+test-full = ["adlfs", "aiohttp (!=4.0.0a0,!=4.0.0a1)", "backports-zstd ; python_version < \"3.14\"", "cloudpickle", "dask", "distributed", "dropbox", "dropboxdrivefs", "fastparquet", "fusepy", "gcsfs", "jinja2", "kerchunk", "libarchive-c", "lz4", "notebook", "numpy", "ocifs", "pandas (<3.0.0)", "panel", "paramiko", "pyarrow", "pyarrow (>=1)", "pyftpdlib", "pygit2", "pytest", "pytest-asyncio (!=0.22.0)", "pytest-benchmark", "pytest-cov", "pytest-mock", "pytest-recording", "pytest-rerunfailures", "python-snappy", "requests", "smbprotocol", "tqdm", "urllib3", "zarr", "zstandard ; python_version < \"3.14\""]
+tqdm = ["tqdm"]
+
 [[package]]
 name = "greenlet"
 version = "3.3.2"
@@ -825,6 +931,47 @@ files = [
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 ]
 
+[[package]]
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+optional = false
+python-versions = "*"
+groups = ["main"]
+files = [
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+[package.extras]
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+docs = ["sphinx"]
+gmpy = ["gmpy2 (>=2.1.0a4) ; platform_python_implementation != \"PyPy\""]
+tests = ["pytest (>=4.6)"]
+
+[[package]]
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+version = "3.6"
+description = "Python package for creating and manipulating graphs and networks"
+optional = false
+python-versions = ">=3.11"
+groups = ["main"]
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+[package.extras]
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+test-extras = ["pytest-mpl", "pytest-randomly"]
+
 [[package]]
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 version = "2.4.2"
@@ -907,6 +1054,227 @@ files = [
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+optional = false
+python-versions = ">=3"
+groups = ["main"]
+markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""
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+optional = false
+python-versions = ">=3"
+groups = ["main"]
+markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""
+files = [
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+groups = ["main"]
+markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""
+files = [
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+groups = ["main"]
+markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""
+files = [
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+python-versions = ">=3"
+groups = ["main"]
+markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""
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+python-versions = ">=3"
+groups = ["main"]
+markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""
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+
+[[package]]
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+python-versions = ">=3"
+groups = ["main"]
+markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""
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+[[package]]
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+python-versions = ">=3"
+groups = ["main"]
+markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""
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+[[package]]
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+optional = false
+python-versions = ">=3"
+groups = ["main"]
+markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""
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+[package.dependencies]
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+
+[[package]]
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+python-versions = ">=3"
+groups = ["main"]
+markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""
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+[package.dependencies]
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+
+[[package]]
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+description = "NVIDIA cuSPARSELt"
+optional = false
+python-versions = "*"
+groups = ["main"]
+markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""
+files = [
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+optional = false
+python-versions = ">=3"
+groups = ["main"]
+markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""
+files = [
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+python-versions = ">=3"
+groups = ["main"]
+markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""
+files = [
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+
+[[package]]
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+version = "3.4.5"
+description = "NVSHMEM creates a global address space that provides efficient and scalable communication for NVIDIA GPU clusters."
+optional = false
+python-versions = ">=3"
+groups = ["main"]
+markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""
+files = [
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+[[package]]
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+optional = false
+python-versions = ">=3"
+groups = ["main"]
+markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""
+files = [
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+
 [[package]]
 name = "orjson"
 version = "3.11.7"
@@ -1483,6 +1851,27 @@ click = ">=8.1.7"
 rich = ">=13.7.1"
 typing-extensions = ">=4.12.2"
 
+[[package]]
+name = "setuptools"
+version = "82.0.0"
+description = "Easily download, build, install, upgrade, and uninstall Python packages"
+optional = false
+python-versions = ">=3.9"
+groups = ["main"]
+files = [
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+[package.extras]
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+enabler = ["pytest-enabler (>=2.2)"]
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+
 [[package]]
 name = "shellingham"
 version = "1.5.4"
@@ -1661,6 +2050,127 @@ anyio = ">=3.4.0,<5"
 [package.extras]
 full = ["httpx (>=0.22.0)", "itsdangerous", "jinja2", "python-multipart (>=0.0.7)", "pyyaml"]
 
+[[package]]
+name = "sympy"
+version = "1.14.0"
+description = "Computer algebra system (CAS) in Python"
+optional = false
+python-versions = ">=3.9"
+groups = ["main"]
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+python-versions = ">=3.10"
+groups = ["main"]
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+]
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+[package.dependencies]
+cuda-bindings = {version = "12.9.4", markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
+filelock = "*"
+fsspec = ">=0.8.5"
+jinja2 = "*"
+networkx = ">=2.5.1"
+nvidia-cublas-cu12 = {version = "12.8.4.1", markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
+nvidia-cuda-cupti-cu12 = {version = "12.8.90", markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
+nvidia-cuda-nvrtc-cu12 = {version = "12.8.93", markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
+nvidia-cuda-runtime-cu12 = {version = "12.8.90", markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
+nvidia-cudnn-cu12 = {version = "9.10.2.21", markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
+nvidia-cufft-cu12 = {version = "11.3.3.83", markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
+nvidia-cufile-cu12 = {version = "1.13.1.3", markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
+nvidia-curand-cu12 = {version = "10.3.9.90", markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
+nvidia-cusolver-cu12 = {version = "11.7.3.90", markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
+nvidia-cusparse-cu12 = {version = "12.5.8.93", markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
+nvidia-cusparselt-cu12 = {version = "0.7.1", markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
+nvidia-nccl-cu12 = {version = "2.27.5", markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
+nvidia-nvjitlink-cu12 = {version = "12.8.93", markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
+nvidia-nvshmem-cu12 = {version = "3.4.5", markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
+nvidia-nvtx-cu12 = {version = "12.8.90", markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
+setuptools = {version = "*", markers = "python_version >= \"3.12\""}
+sympy = ">=1.13.3"
+triton = {version = "3.6.0", markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
+typing-extensions = ">=4.10.0"
+
+[package.extras]
+opt-einsum = ["opt-einsum (>=3.3)"]
+optree = ["optree (>=0.13.0)"]
+pyyaml = ["pyyaml"]
+
+[[package]]
+name = "triton"
+version = "3.6.0"
+description = "A language and compiler for custom Deep Learning operations"
+optional = false
+python-versions = "<3.15,>=3.10"
+groups = ["main"]
+markers = "platform_system == \"Linux\" and platform_machine == \"x86_64\""
+files = [
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+    {file = "triton-3.6.0-cp314-cp314-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:a17a5d5985f0ac494ed8a8e54568f092f7057ef60e1b0fa09d3fd1512064e803"},
+    {file = "triton-3.6.0-cp314-cp314t-manylinux_2_27_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:0b3a97e8ed304dfa9bd23bb41ca04cdf6b2e617d5e782a8653d616037a5d537d"},
+    {file = "triton-3.6.0-cp314-cp314t-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:46bd1c1af4b6704e554cad2eeb3b0a6513a980d470ccfa63189737340c7746a7"},
+]
+
+[package.extras]
+build = ["cmake (>=3.20,<4.0)", "lit"]
+tests = ["autopep8", "isort", "llnl-hatchet", "numpy", "pytest", "pytest-forked", "pytest-xdist", "scipy (>=1.7.1)"]
+tutorials = ["matplotlib", "pandas", "tabulate"]
+
 [[package]]
 name = "typer"
 version = "0.24.1"
@@ -2079,5 +2589,5 @@ dev = ["pytest", "setuptools"]
 
 [metadata]
 lock-version = "2.1"
-python-versions = "^3.13"
-content-hash = "fbcb4ceaf76eb000784572f2a7f7a3d368400290dbcd09bbe4c4467a1549b476"
+python-versions = ">=3.13,<3.15"
+content-hash = "3f4d177daccfba5018a4e30119f15665efe242bc6f98b182ed041a85fe67f588"
diff --git a/apps/coordinator-api/pyproject.toml b/apps/coordinator-api/pyproject.toml
index abbe3ab2..8d8cfd8f 100644
--- a/apps/coordinator-api/pyproject.toml
+++ b/apps/coordinator-api/pyproject.toml
@@ -8,7 +8,7 @@ packages = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.13"
+python = ">=3.13,<3.15"
 fastapi = "^0.111.0"
 uvicorn = { extras = ["standard"], version = "^0.30.0" }
 pydantic = ">=2.7.0"
@@ -26,6 +26,7 @@ aitbc-crypto = {path = "../../packages/py/aitbc-crypto"}
 asyncpg = ">=0.29.0"
 aitbc-core = {path = "../../packages/py/aitbc-core"}
 numpy = "^2.4.2"
+torch = "^2.10.0"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^8.2.0"
diff --git a/apps/coordinator-api/src/app/main.py b/apps/coordinator-api/src/app/main.py
index 03e48352..11dd617c 100644
--- a/apps/coordinator-api/src/app/main.py
+++ b/apps/coordinator-api/src/app/main.py
@@ -5,7 +5,7 @@ from fastapi import FastAPI, Request
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi.responses import JSONResponse, Response
 from fastapi.exceptions import RequestValidationError
-from prometheus_client import Counter, Histogram, generate_latest
+from prometheus_client import Counter, Histogram, generate_latest, make_asgi_app
 from prometheus_client.core import CollectorRegistry
 from prometheus_client.exposition import CONTENT_TYPE_LATEST
 
diff --git a/apps/coordinator-api/src/app/routers/__init__.py b/apps/coordinator-api/src/app/routers/__init__.py
index 35125820..26c8f3c1 100644
--- a/apps/coordinator-api/src/app/routers/__init__.py
+++ b/apps/coordinator-api/src/app/routers/__init__.py
@@ -33,5 +33,15 @@ __all__ = [
     "edge_gpu",
     "cache_management",
     "agent_identity",
+    "global_marketplace",
+    "cross_chain_integration",
+    "global_marketplace_integration",
+    "developer_platform",
+    "governance_enhanced",
     "registry",
 ]
+from .global_marketplace import router as global_marketplace
+from .cross_chain_integration import router as cross_chain_integration
+from .global_marketplace_integration import router as global_marketplace_integration
+from .developer_platform import router as developer_platform
+from .governance_enhanced import router as governance_enhanced
diff --git a/apps/coordinator-api/src/app/schemas/__init__.py b/apps/coordinator-api/src/app/schemas/__init__.py
index 8203e44e..9e076966 100644
--- a/apps/coordinator-api/src/app/schemas/__init__.py
+++ b/apps/coordinator-api/src/app/schemas/__init__.py
@@ -8,7 +8,7 @@ import re
 
 from pydantic import BaseModel, Field, ConfigDict, field_validator, model_validator
 
-from .types import JobState, Constraints
+from ..types import JobState, Constraints
 
 
 # Payment schemas
diff --git a/apps/coordinator-api/src/app/schemas/developer_platform.py b/apps/coordinator-api/src/app/schemas/developer_platform.py
index 26598914..d14369d4 100644
--- a/apps/coordinator-api/src/app/schemas/developer_platform.py
+++ b/apps/coordinator-api/src/app/schemas/developer_platform.py
@@ -1,7 +1,7 @@
 from pydantic import BaseModel
 from typing import Optional, List
 from datetime import datetime
-from .developer_platform import BountyStatus, CertificationLevel
+from ..domain.developer_platform import BountyStatus, CertificationLevel
 
 class DeveloperCreate(BaseModel):
     wallet_address: str
diff --git a/apps/coordinator-api/src/app/services/fhe_service.py b/apps/coordinator-api/src/app/services/fhe_service.py
index 0d5136ce..442e45a4 100644
--- a/apps/coordinator-api/src/app/services/fhe_service.py
+++ b/apps/coordinator-api/src/app/services/fhe_service.py
@@ -1,3 +1,4 @@
+import logging
 from abc import ABC, abstractmethod
 from typing import Dict, List, Optional, Tuple
 import numpy as np
diff --git a/fix_gossip.patch b/fix_gossip.patch
new file mode 100644
index 00000000..92ed2abd
--- /dev/null
+++ b/fix_gossip.patch
@@ -0,0 +1,20 @@
+--- a/apps/blockchain-node/src/aitbc_chain/consensus/poa.py
++++ b/apps/blockchain-node/src/aitbc_chain/consensus/poa.py
+@@ -171,7 +171,7 @@
+             )
+             
+             # Broadcast the new block
+-            gossip_broker.publish(
++            await gossip_broker.publish(
+                 "blocks",
+                 {
+                     "height": block.height,
+@@ -207,7 +207,7 @@
+             session.commit()
+             
+             # Broadcast genesis block for initial sync
+-            gossip_broker.publish(
++            await gossip_broker.publish(
+                 "blocks",
+                 {
+                     "height": genesis.height,
diff --git a/fix_gossip2.patch b/fix_gossip2.patch
new file mode 100644
index 00000000..1deb67b7
--- /dev/null
+++ b/fix_gossip2.patch
@@ -0,0 +1,11 @@
+--- a/apps/blockchain-node/src/aitbc_chain/consensus/poa.py
++++ b/apps/blockchain-node/src/aitbc_chain/consensus/poa.py
+@@ -194,7 +194,7 @@
+         except Exception as e:
+             logger.error(f"Failed to propose block: {e}")
+ 
+-    def _ensure_genesis_block(self) -> None:
++    async def _ensure_genesis_block(self) -> None:
+         """Ensure genesis block exists"""
+         with self.session_factory() as session:
+             if session.exec(select(Block).where(Block.height == 0)).first():
diff --git a/fix_gossip3.patch b/fix_gossip3.patch
new file mode 100644
index 00000000..be894571
--- /dev/null
+++ b/fix_gossip3.patch
@@ -0,0 +1,11 @@
+--- a/apps/blockchain-node/src/aitbc_chain/consensus/poa.py
++++ b/apps/blockchain-node/src/aitbc_chain/consensus/poa.py
+@@ -101,7 +101,7 @@
+                 # Wait for interval before proposing next block
+                 await asyncio.sleep(self.config.interval_seconds)
+                 
+-                self._propose_block()
++                await self._propose_block()
+                 
+         except asyncio.CancelledError:
+             pass
diff --git a/fix_gossip4.patch b/fix_gossip4.patch
new file mode 100644
index 00000000..035950d2
--- /dev/null
+++ b/fix_gossip4.patch
@@ -0,0 +1,11 @@
+--- a/apps/blockchain-node/src/aitbc_chain/consensus/poa.py
++++ b/apps/blockchain-node/src/aitbc_chain/consensus/poa.py
+@@ -81,7 +81,7 @@
+         if self._task is not None:
+             return
+         self._logger.info("Starting PoA proposer loop", extra={"interval": self._config.interval_seconds})
+-        self._ensure_genesis_block()
++        await self._ensure_genesis_block()
+         self._stop_event.clear()
+         self._task = asyncio.create_task(self._run_loop())
+ 
diff --git a/scripts/git-pre-commit-hook.sh b/scripts/git-pre-commit-hook.sh
index faf81380..c2ba31ed 100755
--- a/scripts/git-pre-commit-hook.sh
+++ b/scripts/git-pre-commit-hook.sh
@@ -24,7 +24,6 @@ ROOT_FORBIDDEN_DIRS=(
     ".ruff_cache"
     ".venv"
     "cli_env"
-    "logs"
     ".vscode"
 )
 
@@ -62,7 +61,7 @@ for dir in "${ROOT_FORBIDDEN_DIRS[@]}"; do
             "node_modules"|".venv"|"cli_env")
                 echo "   → dev/env/"
                 ;;
-            ".pytest_cache"|".ruff_cache"|"logs"|".vscode")
+            ".pytest_cache"|".ruff_cache"|".vscode")
                 echo "   → dev/cache/"
                 ;;
         esac
diff --git a/scripts/move-to-right-folder.sh b/scripts/move-to-right-folder.sh
index e96a61ef..c960a517 100755
--- a/scripts/move-to-right-folder.sh
+++ b/scripts/move-to-right-folder.sh
@@ -91,7 +91,7 @@ for dir in node_modules .venv cli_env; do
 done
 
 # Move cache directories
-for dir in .pytest_cache .ruff_cache logs .vscode; do
+for dir in .pytest_cache .ruff_cache .vscode; do
     move_dir "$dir" "dev/cache"
 done