Tenzro
Bridges

NEAR Chain Signatures.

NEAR Chain Signatures lets a smart contract derive a per- (account, path, curve) external key on Bitcoin, Ethereum, Solana, TON, Stellar, Sui, Aptos and sign transactions there without leaving the home chain. The Tenzro adapter wraps the NEAR MPC contract surface so Tenzro accounts can broadcast on all of those targets through a single derivation rule.
STATUS
Testnet
CRATE
tenzro-bridge::near_chain_sig
CURVES
Secp256k1 / Ed25519
TYPE
Adapter
01

Derivation

epsilon = SHA-256("near-mpc-recovery v0.1.0 epsilon derivation:"
                || predecessor || "," || path)
02

Target chains

Secp256k1: Bitcoin, Ethereum, Dogecoin
Ed25519:   Solana, TON, Stellar, Sui, Aptos
03

Contract calls

v1.signer-prod.near::sign({payload, path, key_version})
v1.signer-prod.near::public_key({predecessor, path})
Related
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