# Which blockchain do PRE Tokens operate on?

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:

{% embed url="<https://etherscan.io/token/0xEC213F83defB583af3A000B1c0ada660b1902A0F>" %}

{% embed url="<https://basescan.org/address/0x3816dd4bd44c8830c2fa020a5605bac72fa3de7a>" %}