With the new solution, EDDITS and Touché have for the first time initiated cryptocurrency payment from a POS device that uses only the end-user wallet, according to the official press release. EDDITS, thanks to ERC725 and ERC735-based Smart Contract, enables a user to authorise the payment provider to initiate a payment from its identity to the merchant’s, provided that the proof of authorisation of the transaction is given.
During the enrolment process, the user’s fingerprints are linked to its identity Smart Contract as claims issued by Touché. When a payment is requested, the user authenticates himself on the device using his fingerprints and authorise the transaction. The data are signed and sent to the payment provider’s Smart Contract. If the fingerprint proof matches the one linked to the user identity, a transaction is generated by the payment provider’s Smart Contract to move the ETH from the buyer identity to the merchant’s one.
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