Payment rail
Casper
On Casper, the CEP-3009 authorization’s nonce is the ATR hash. Source: lcp docs: rails (opens in a new tab)
Sources (1)
Where the ATR hash rides
On this rail, the ATR hash rides in the CEP-3009 authorization’s nonce.
What a payment on this rail proves
Of these 1 pairings, 1 have the buyer’s signature cover the ATR hash, 1 leave a public proof of it, and 1 let anyone read it back from the chain alone. Source: lcp docs: pairings reference (opens in a new tab)
Switch to Technical to see each pairing, and the sentence its record states about what a payment through it proves.
Reading the settlement
The package reads a payment’s settlement through a reader you supply: the endpoint, the credentials, the timeouts and the retries are yours. A reader that fails never makes a payment read as failed. Source: lcp docs: reading settlement (opens in a new tab)