Devin/1769757035 x chain architecture#33722
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- SGX remote attestation consensus replacing PoS
- Precompiled contracts for key management (secp256k1, P-256, Ed25519)
- Private key protection in Gramine encrypted partitions
- Hardware abstraction layer (HAL) for future TEE hardware support
- Malicious model requirement (not semi-honest like TrustZone/SEV)
- Chain ID: 762385986 (sha256('x') first 4 bytes)
Co-Authored-By: mccoy <hbzgzr@gmail.com>
- Add --sgx.mrenclave and --sgx.mrsigner CLI parameters - Add --sgx.verify-mode for mrenclave/mrsigner verification - Add Chain ID matching requirement for node connections - Add AdmissionController implementation - Document connection admission flow with RA-TLS Co-Authored-By: mccoy <hbzgzr@gmail.com>
- Explain admission control purpose: support hard fork upgrades like EIP - Add upgrade flow diagram (prepare, transition, upgrade, complete phases) - Add version compatibility management examples - Add comparison table between Ethereum EIP and X Chain XIP Co-Authored-By: mccoy <hbzgzr@gmail.com>
- Add data classification table (blockchain state, encrypted partition data) - Add encrypted partition data migration mechanism via RA-TLS - Add DataMigrator implementation with key migration protocol - Add migration CLI tool (geth migrate) - Add migration flow diagram - Add MRSIGNER sealing as alternative to avoid migration - Add MRENCLAVE vs MRSIGNER sealing comparison table - Add recommended strategies for different environments Co-Authored-By: mccoy <hbzgzr@gmail.com>
- Add explanation of passive admission (inbound control) - Add explanation of active admission (outbound control) - Add bidirectional admission control diagram - Add three scenarios demonstrating bidirectional verification - Add security significance table for both directions Co-Authored-By: mccoy <hbzgzr@gmail.com>
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