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Interoperability: proxy accounts and cross-chain flows

This page summarizes protocol design in the whitepaper v2.6.0 clarification draft (2026-11-02); it does not certify deployment on any network.

Whitepaper design

The design lets external-chain users retain familiar wallet signing and interact with DApps deployed on FullOn through proxy accounts, rather than requiring each DApp to redeploy everywhere.

  1. A user initiates binding using an external-chain address and key in a supporting application.
  2. Binding associates the external public key/address with an allocated FullOn proxy account.
  3. A supported bridge flow moves assets to the FullOn side.
  4. The user signs an interaction message; a proxy miner separately signs and submits the FullOn transaction. The whitepaper describes validating both signatures while accounting for chain-specific hashes, signature schemes and serialization.
  5. Assets may be returned to the originating chain while the proxy account remains valid.

A proxy miner is a transaction-submission service role; it is not automatically an Active or Standby BP.

Verify identity and asset layers separately

Layer Confirm
Identity binding Deployed contract, signing domain, supported wallets/chains, bind/unbind rules
Proxy submission Availability, nonce/expiry handling, fees and deduplication
Asset bridge Token contracts, proof/custody model, confirmations, pause/refund and destination-credit rules
DApp Network, authorization, asset identity, execution result and irreversibility

Two-signature validation is not a complete bridge proof protocol or security audit. It does not establish support for every chain, wallet or token. L2/sidechain architecture descriptions are not a list of verified deployments.

Account distinctions

  • Canonical/sovereign: named FullOn accounts and permissions.
  • EVM-address: addresses meaningful within the EVM environment, requiring an asset bridge to native accounts in the design.
  • Proxy: external-chain identity binding for FullOn interaction.
  • RWID: real-world identity factors and recovery; distinct from cross-chain proxy interaction.

Accounts · RWID · DApp and bridge use

Sources

English whitepaper · Chinese whitepaper · Scope and source conflicts. Pinned revision 5758318eba75d48afd1d543bf020255c1a998d26; retrieved 2026-11-02. The Core v0.9.2 baseline is published; the additional future issuance/GAS policy clarification remains a separate draft, not a deployment certification.