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Christian Karlingleft a comment
Hey Product Hunt 👋 OnchainInvoice started from a very specific frustration I kept seeing (and experiencing): getting paid in crypto is easy, but accounting for it properly is not. Most freelancers and small businesses know they need to invoice in fiat, record the exact fiat value at payment time, and keep defensible records for accountants or tax authorities — but in practice this often means...
OnchainInvoiceTamper-evident crypto invoicing with verifiable receipts
Invoice in fiat, accept crypto payments, and generate tamper-evident, verifiable receipts. OnchainInvoice produces cryptographically signed documentation—PDFs, canonical payloads, and proof files—that can be independently inspected. Built as documentation infrastructure between invoicing and on-chain settlement, without custody, manual exchange-rate lookups, spreadsheets or retroactive reconciliation.
OnchainInvoiceTamper-evident crypto invoicing with verifiable receipts
Christian Karlingstarted a discussion
Crypto invoicing without accounting chaos — looking for early feedback
Hey everyone 👋 I’m building OnchainInvoice, a tool that lets businesses invoice in fiat but accept payment in crypto — without turning accounting and taxes into a mess. The core problem I’m trying to solve is this: Most crypto payment tools are great at receiving funds, but terrible at producing accountant-ready records. People end up manually checking wallets, hunting historical exchange...