Which blockchain do PRE Tokens operate on?

Ethereum blockchain (ERC-20 token) and Base blockchain

Presearch's PRE tokens are available on the Ethereum blockchain as ERC-20 tokens and on the Base Network. The token contracts can be found here on EtherScan and BaseScan:

https://etherscan.io/token/0xEC213F83defB583af3A000B1c0ada660b1902A0Fetherscan.io

https://basescan.org/address/0x3816dd4bd44c8830c2fa020a5605bac72fa3de7abasescan.org