86e5c6f1a3
- Convert all HTML documentation files to markdown format in /docs folder - Add markdown links to HTML documentation pages - Update all aitbc.io references to aitbc.bubuit.net - Create HTML web format versions of key documentation files - Update documentation index to show both HTML and web format options - Add flowchart documentation explaining CLI job submission process
489 lines
15 KiB
HTML
489 lines
15 KiB
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</head>
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<body>
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<header>
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<nav class="container">
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<a href="../index.html" class="logo">AITBC</a>
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<ul class="nav-links">
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<li><a href="../index.html">Home</a></li>
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<li><a href="index.html">Documentation</a></li>
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<li><a href="mailto:aitbc@bubuit.net">Contact</a></li>
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</ul>
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</nav>
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</header>
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<main>
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<div class="container">
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<!-- Breadcrumb -->
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<div class="breadcrumb">
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<a href="index.html">Documentation</a>
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<span>›</span>
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<a href="#">Components</a>
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<span>›</span>
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<span>Blockchain Node</span>
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</div>
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<!-- Back Button -->
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<a href="components.html" class="back-button">
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<i class="fas fa-arrow-left"></i>
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Back to Components
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</a>
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<!-- Header -->
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<div class="doc-header">
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<h1><i class="fas fa-cube"></i> Blockchain Node</h1>
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<p>PoA/PoS consensus blockchain with REST/WebSocket RPC, real-time gossip layer, and comprehensive observability</p>
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<span class="status-badge">● Live</span>
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</div>
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<!-- Overview -->
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<section class="content-section">
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<h2>Overview</h2>
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<p>The AITBC Blockchain Node is the core infrastructure component that maintains the distributed ledger. It implements a hybrid Proof-of-Authority/Proof-of-Stake consensus mechanism with fast finality and supports high throughput for AI workload transactions.</p>
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<h3>Key Features</h3>
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<ul>
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<li>Hybrid PoA/PoS consensus with sub-second finality</li>
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<li>REST and WebSocket RPC APIs</li>
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<li>Real-time gossip protocol for block propagation</li>
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<li>Comprehensive observability with Prometheus metrics</li>
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<li>SQLModel-based data persistence</li>
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<li>Built-in devnet tooling and scripts</li>
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</ul>
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</section>
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<!-- Architecture -->
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<section class="content-section">
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<h2>Architecture</h2>
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<p>The blockchain node is built with a modular architecture separating concerns for consensus, storage, networking, and API layers.</p>
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<div class="feature-grid">
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<div class="feature-card">
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<h4>Consensus Engine</h4>
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<p>Hybrid PoA/PoS with proposer rotation and validator sets</p>
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</div>
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<div class="feature-card">
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<h4>Storage Layer</h4>
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<p>SQLModel with SQLite/PostgreSQL support</p>
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</div>
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<div class="feature-card">
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<h4>Networking</h4>
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<p>WebSocket gossip + REST API</p>
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</div>
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<div class="feature-card">
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<h4>Observability</h4>
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<p>Prometheus metrics + structured logging</p>
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</div>
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</div>
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</section>
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<!-- API Reference -->
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<section class="content-section">
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<h2>API Reference</h2>
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<p>The blockchain node exposes both REST and WebSocket APIs for interaction.</p>
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<h3>REST Endpoints</h3>
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<div class="api-endpoint">
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<code>GET /rpc/get_head</code>
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<p>Get the latest block header</p>
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</div>
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<div class="api-endpoint">
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<code>POST /rpc/send_tx</code>
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<p>Submit a new transaction</p>
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</div>
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<div class="api-endpoint">
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<code>GET /rpc/get_balance/{address}</code>
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<p>Get account balance</p>
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</div>
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<div class="api-endpoint">
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<code>GET /rpc/get_block/{height}</code>
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<p>Get block by height</p>
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</div>
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<h3>WebSocket Subscriptions</h3>
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<ul>
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<li><code>new_blocks</code> - Real-time block notifications</li>
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<li><code>new_transactions</code> - Transaction pool updates</li>
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<li><code>consensus_events</code> - Consensus round updates</li>
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</ul>
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</section>
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<!-- Configuration -->
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<section class="content-section">
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<h2>Configuration</h2>
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<p>The node can be configured via environment variables or configuration file.</p>
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<h3>Key Settings</h3>
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<pre><code># Database
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DATABASE_URL=sqlite:///blockchain.db
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# Network
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RPC_HOST=0.0.0.0
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RPC_PORT=9080
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WS_PORT=9081
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# Consensus
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CONSENSUS_MODE=poa
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VALIDATOR_ADDRESS=0x...
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BLOCK_TIME=1s
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# Observability
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METRICS_PORT=9090
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LOG_LEVEL=info</code></pre>
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</section>
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<!-- Running a Node -->
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<section class="content-section">
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<h2>Running a Node</h2>
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<h3>Development Mode</h3>
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<pre><code># Initialize devnet
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python -m blockchain.scripts.init_devnet
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# Start node
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python -m blockchain.main --config devnet.yaml</code></pre>
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<h3>Production Mode</h3>
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<pre><code># Using Docker
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docker run -d \
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-v /data/blockchain:/data \
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-p 9080:9080 \
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-p 9081:9081 \
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-p 9090:9090 \
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aitbc/blockchain-node:latest</code></pre>
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</section>
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<!-- Monitoring -->
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<section class="content-section">
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<h2>Monitoring</h2>
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<h3>Prometheus Metrics</h3>
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<p>Available at <code>http://localhost:9090/metrics</code></p>
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<p>Key metrics:</p>
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<ul>
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<li><code>blockchain_blocks_total</code> - Total blocks produced</li>
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<li><code>blockchain_transactions_total</code> - Total transactions processed</li>
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<li><code>blockchain_consensus_rounds</code> - Consensus rounds completed</li>
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<li><code>blockchain_network_peers</code> - Active peer connections</li>
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</ul>
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<h3>Health Checks</h3>
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<pre><code># Node status
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curl http://localhost:9080/health
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# Sync status
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curl http://localhost:9080/sync_status</code></pre>
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</section>
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<!-- Troubleshooting -->
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<section class="content-section">
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<h2>Troubleshooting</h2>
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<h3>Common Issues</h3>
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<ol>
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<li><strong>Node not syncing</strong>
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<ul>
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<li>Check peer connections: <code>curl /rpc/peers</code></li>
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<li>Verify network connectivity</li>
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<li>Check logs for consensus errors</li>
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</ul>
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</li>
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<li><strong>High memory usage</strong>
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<ul>
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<li>Reduce <code>block_cache_size</code> in config</li>
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<li>Enable block pruning</li>
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</ul>
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</li>
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<li><strong>RPC timeouts</strong>
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<ul>
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<li>Increase <code>rpc_timeout</code> setting</li>
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<li>Check system resources</li>
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</ul>
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</li>
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</ol>
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</section>
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<!-- Development -->
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<section class="content-section">
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<h2>Development</h2>
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<h3>Building from Source</h3>
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<pre><code>git clone https://github.com/aitbc/blockchain
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cd blockchain
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pip install -e .</code></pre>
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<h3>Running Tests</h3>
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<pre><code># Unit tests
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pytest tests/
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# Integration tests
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pytest tests/integration/</code></pre>
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</section>
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<!-- Security Considerations -->
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<section class="content-section">
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<h2>Security Considerations</h2>
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<ul>
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<li>Validator keys should be kept secure</li>
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<li>Use HTTPS in production</li>
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<li>Implement rate limiting on RPC endpoints</li>
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<li>Regular security updates for dependencies</li>
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</ul>
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</section>
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</div>
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</main>
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<footer>
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<div class="container">
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<p>© 2025 AITBC. All rights reserved.</p>
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</div>
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</footer>
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</body>
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</html>
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