Table of Contents Developer Docs Overview Introduction Architecture 1.0 vs 2.0 Comparison Protocol 2.0 Overview Architecture Maintainer TSS MStack Cross-chain Flow Gas Mechanism Security Slashing Protocol 1.0 Overview Light Client Overview MAPO Light Client On EVM Chains Other Chain Clients Ethereum 2.0 BSC Polygon Near Klaytn Conflux ZK Light Client MOS Architecture Protocol Messenger Chains Integration EVM Chains Non-EVM Chains TON Relay Chain Architecture Consensus Proof of Stake Istanbul BFT Aggregated Seal Epoch Election Rewards Genesis Contracts Overview Accounts Election Validators LockedGold EpochRewards Precompile Contracts Fundamentals Blockchain Accounts Transactions Blocks Gas MPT Tree RLP Encoding Oracle Smart Contracts EVM Basics Development Testing Security Formal Verification Appendix BTC Layer2 Overview BRC-201