Glossary

Attestor — Independent nodes that monitor Bitcoin, verify deposits and burns, and participate in the governance process to approve transactions.

CBTC — A 1:1 wrapped Bitcoin token built for secure trading and bridging on Canton.

Burn — The process of destroying CBTC tokens on Canton to initiate Bitcoin withdrawal.

Coordinator — The service that executes periodic checks, monitors deposits, and coordinates with Attestors.

DepositAccount (DA) — A Canton contract template that represents a deposit account, with each DA having a unique ID that deterministically maps to a Bitcoin deposit address.

Mint — The process of creating new CBTC tokens on Canton after confirmed Bitcoin deposits.

Periodic Check (PC) — A recurring process executed by the Coordinator every 60 to 120 seconds to trigger actions based on Bitcoin and Canton data.

WithdrawAccount (WA) — A Canton contract template representing a withdrawal account that stores a user-defined destination Bitcoin address.

WithdrawRequest (WDR) — A Canton contract template instantiated during withdrawal processing, containing the withdrawal amount, Bitcoin transaction ID, and destination address.