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Content Out of Date
This content is not maintained and refers to an out-of-date version of Perpetual Protocol.
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Mid-way through 2023 USDC issuer Circle announced they would be launching new USDC tokens to replace USDC on chains like Optimism, NEAR and Polkadot.
We won't speculate as to why but those original tokens typically were bridged from Ethereum or elsewhere and the token contracts were not controlled by Circle itself. The new USDC token brings these contracts under Circle's control.
As of this writing, neither Circle nor Optimism have made any statements announcing a timeline for migrating away from USDC.e on Optimism. So it would seem that USDC.e use will continue for some time.
Most Defi protocols using Circle's stablecoin, including Perpetual Protocol, use USDC.e, and we expect this to remain the case for current versions of our products, such as Perp v2 and Hot Tub.
USDC and USDC.e are easily swappable on Uniswap and other DEXs. If a Perpetual Protocol product does not recognize your USDC balance, you most likely have USDC and need to swap for USDC.e.
Token contract addresses on Optimism are as follows:
USDC: 0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85
USDC.e: 0x7f5c764cbc14f9669b88837ca1490cca17c31607
A list of guides for using and building on Perp v2:
Perpetual Protocol
BanklessDAO
Blocmates
Lyra
Stakingbits
Token Terminal
Finsmart community
jrocki
Binance
Bybit
Kraken
Coinbase
CoinMarketCap
Finematics:
