2. Prerequisite: Payment Requirement

Users have the option to mint impact certificates on the following blockchains:

Chain Name	Chain ID
arbitrum	42161
base	8453
celo	42220
optimism	10

Before requesting the minting of an Impact Certificate, the project initiator must make a payment of 1 USD worth in a supported token. See the list of available tokens for payment here

• This payment needs to be sent to address "0x3598c4D8fA65cb920BcCa1EC1e5a294aa7e9817D".

• This payment ensures authenticity and prevents spam minting requests.

• The payment details (transaction hash, token address, chain) must be included in the mintRequest API call.

The blockchain used for making payment and blockchain to be used for minting can be different.