Proof of payment

Proof of payment is a cryptographic proof that a payment was made. The proof may indicate the identity (such as public key) of the payer and the recipient, and it may commit to additional payment details (such as a detailed invoice), but not all types of proofs provide those features.

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Optech newsletter and website mentions

2023

• BTCPay Server #4782 adds proof of payment on the receipt page for each payment
• Safety notes about CLN signinvoice RPC providing false proof of payment when misused
• LN async proof of payment
• Request for proof that an async payment was accepted

2021

• LND adds support for AMP-based spontaneous payments, combining systems without proof of payment
• Using LN offers and proof of payment to partly address stuck payments

2020

• CVE-2020-26896 improper preimage revelation gives proof of payment for stolen payments

2018

• Discussion about LN’s proof of payment not proving who paid

See also

• Pay to contract

  
  

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