Cross-Chain Architecture
Legacy Vault Protocol is chain-agnostic by design. Register wallet addresses across any chain your estate uses — then generate verified inventory, proofs, and executor instructions.
Cross-chain Capabilities
Owner-Authorized Wallet Mapping
Estate owners register their public wallet addresses per chain. No private keys, no seed phrases, no secret discovery. Owner consent required for every entry.
Asset Snapshot Generation
Generate chain-specific asset inventory reports showing public balances, token holdings, NFT registries, and DeFi positions at a point in time.
Proof Anchoring to Layer 0
Cross-chain wallet states are hashed and anchored to Legacy Layer 0 via the relayer node. Creates tamper-detectable estate snapshots.
Executor Transfer-Readiness Reports
After release, executors receive chain-specific instructions listing registered wallets, relevant protocols, and authorized transfer steps.
External Settlement Instructions
Beneficiary packets include chain-by-chain instructions for claiming assets. Legacy does not execute transfers — it provides the verified record.
Supported Chains
ERC-20/721 asset snapshot, ENS name resolution, proof anchoring via bridge
L2 low-cost wallet registry updates and executor settlement
Cross-chain proof relay for high-volume estate operations
SPL token inventory, NFT estate records, validator attestations
XRPL settlement bridge operational via Apostle Chain infrastructure
Stellar settlement and USDF stablecoin routing via Apostle Chain
P2PKH / P2WPKH address registry for estate inventory. No key handling.
Any EVM-compatible or IBC-compatible chain can be added via relayer adapter
Architecture Note
Legacy Layer 0's cross-chain relayer node handles proof routing between external chains and the namespace registry. For XRPL and Stellar, the existing Apostle Chain bridge infrastructure is leveraged. Ethereum, Base, Polygon, and Solana connectors are planned in the next protocol phase.
Legacy does not custody assets on any external chain. It provides the registry, the proof, and the executor instructions. Asset transfers are the responsibility of the authorized executor and applicable law.