Vaults Handbook: Modular Security Through Smart VaultsIn Symbiotic, vaults play a central role—they are the programmable smart-contract containers that manage collateral, delegate stake to operators, enforce slashing rules, and connect networks with security capital. The Vaults Handbook outlines the architecture, onboarding flows, and configurable modules for these vaults.What Is a Vault?A vault is essentially a smart contract that accepts collateral (ERC-20 tokens, liquid staking tokens, etc...