cirBTC tokens are controlled by a smart contract on the blockchain. The
following sections list the cirBTC smart contract addresses on every supported
mainnet and testnet blockchain.
Mainnet
Mainnet tokens have financial valueThe blockchains listed below store and transfer tokens that have real financial
value. When interacting with mainnet blockchains, you should thoroughly test
your code, verify all addresses, and ensure the privacy of seed phrases and
private keys.
Testnet
Testnet tokens have no financial valueBecause the testnets listed below are used only for testing, the cirBTC tokens
in circulation on these networks have no financial value, and are not backed
by real Bitcoin.Similarly, native testnet tokens have no financial value.