ProofPay
ProofPay lets freelancers and agencies create tamper-proof client agreements onchain through gasless transactions, giving both parties a permanent, verifiable record of work commitments.
Submitted Jun 22, 2026
Team size 3
Problem
Freelancers often rely on WhatsApp messages, emails, or verbal discussions to agree on project scope and payment terms. When disputes arise, clients can deny the agreed scope, delay payments, or disappear altogether. Since there is no trusted and verifiable record of the agreement, freelancers are left with little protection. ProofPay solves this by recording project agreements onchain, creating an immutable and publicly verifiable proof of what was...
How UGF was used
UGF enabled us to make blockchain interactions completely gasless for users. When a freelancer creates an agreement, UGF handles the transaction lifecycle by authenticating wallet ownership, calculating gas costs, accepting payment in Mock USD instead of ETH, and sponsoring the actual blockchain transaction on Base Sepolia. This allowed us to record agreements onchain without requiring users to hold or spend ETH, making the experience simple enough for...