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Asset Relayer>Overview

Asset Relayer

Asset Relayer · Base ↔ Canton Bridge
Move assets between Base and Canton.
Bidirectional bridge for SEND, USDC, cbBTC, and frxUSD. Sub-three-minute confirmations. Built on Circle's xReserve framework and Send Safe.
Networks
Base ↔ Canton
Bidirectional · ERC-20 to CIP-56
Bridge Time
< 3 min
Lock to mint confirmation
Assets
4 supported
SEND · USDC · cbBTC · frxUSD
01
Lock
Your Base asset is locked in Asset Relayer's reserve contracts, built on Circle's xReserve framework.
02
Mint
A wrapped .B token is minted to your Canton wallet through the Digital Assets Utility Registry.
03
Use
Hold, transfer, or use the .B token across Canton apps. Transfers are bidirectional.
Core Features
Built for retail. Hardened for institutions.
Bidirectional
Transfers move both directions between Base (ERC-20) and Canton (CIP-56). No one-way wrapping.
Sub-3-minute
Bridge confirmations land in under three minutes from lock to mint.
xReserve framework
Reserve contracts on Base are built on Circle's battle-tested xReserve infrastructure.
Send Safe multisig
Canton DAML signature primitives. Majority quorum, three or more independent signers from Canton Foundation or supervalidators.
Composable framework
Asset issuers maintain control through a composable framework, not a hard-coded asset list.
Supported Assets
Four assets at launch. More coming.
Send Token
SEND→SEND.B
The Send ecosystem token, bridgeable from Base into Canton.
Stablecoin
USDC→USDC.B
Base USDC bridged onto Canton. The dollar most Base users already hold.
Bitcoin
cbBTC→cbBTC.B
Coinbase Wrapped BTC — 1:1 backed by BTC in Coinbase custody.
Stablecoin
frxUSD→frxUSD.B
Frax's DeFi-native dollar, in the launch set alongside USDC.
Security Model
Multisig quorum. No single point of failure.
Reserve contracts on Base are built on Circle's xReserve framework. Canton-side authorization uses Send Safe with native DAML signature primitives.
Reserve contracts
Circle xReserve framework
Signature model
Canton DAML primitives via Send Safe
Multisig quorum
Majority n of m, 3+ independent signers
Signer eligibility
Canton Foundation or supervalidator
Onboarding
Opsec checklist + attestation required
Issuance registry
Digital Assets Utility Registry
Send App
Dedicated bridge page
Available on web and mobile within Send App on Canton. Bridge from Base, hold, transfer, and trade in one place.
send.cantonwallet.com →
Standalone Bridge
No Send App required
Connect your wallet directly and bridge between Base and Canton. Same security model, lighter footprint.