As we are in beta, we currently only support payments via Ethereum. Although we have plans to incorporate credit card payments for purchases in the near future, as of now the only way to list, sell and buy CertSeal certificates of authenticity is with Ethereum.
You won't need to do anything special in order to list your certificates for sale with Ethereum. Just set your price and list!
In order to buy certificates you must first deposit Ethereum into your account/wallet. To do this you have a few options,
We are also working on implementing credit card payments as well as directly purchasing Ether in your CertSeal wallet. Sign up for our newsletter if you would like to be informed of any updates regarding credit card payments or any other feature.