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.
The X Layer entry in the mainnet table is Circle-issued native USDC. X Layer
also has a separate bridged USDC representation, labeled
USDC.e, which is not
issued or backed by Circle. Use the address in the table for integrations that
expect Circle-issued USDC.Testnet
Testnet tokens have no financial valueBecause the testnets listed below are used only for testing, the USDC tokens in
circulation on these networks have no financial value, and are not backed by
real US dollars.Similarly, native testnet tokens have no financial value.