Table of contents Introduction What is Abacus? Background Vision Protocol Overview Messaging Outbox Inbox Security Proof of stake Sovereign consensus Governance Agents Checkpointer Validators Relayer Processor Developers Getting started Contracts SDK Write your contracts Test your contracts Application SDK Deployment Tooling Environments Interaction API MultiProvider Advanced Connection Client Router Pattern Message encoding Gas Examples Hello World ERC20 token Controller Contract Addresses Testnet Resources Roadmap FAQ Glossary Github Discord Website