The $2 trillion documentary-credit market runs on a 2007 rulebook

75% of presentations are rejected. Not yours.

paper-chain.io examines your Letter of Credit and documents against UCP 600 and ISBP 821 before your bank does — so there is nothing left to object to.

Check one presentation free or see how it works →
70–80%
first-time discrepancy rate
minutes
not days to a result
on-chain
tamper-evident proof
How it works

Four steps, a few minutes, no integration

How the check works, step by step · The 45 UCP 600 and ISBP 821 checks we run

01

Upload

Add the LC terms and your document set — read locally in your browser.

02

UCP 600 check

44+ UCP 600 / ISBP 821 checks examine and score the set.

03

XRPL anchor

The document-bundle hash is written on-chain as evidence.

04

Submit

Download a bank-ready package with certificate and findings.

Why paper-chain.io

Built for exporters, forwarders and their trade-finance teams

Privacy-first

Documents never leave your browser — only a hash is anchored.

On-chain proof

Tamper-evident XRPL anchor. No wallet or crypto knowledge needed.

Minutes, not days

Self-service, no integration, no waiting on manual review.

No sign-up wall · no commitment

Run one real presentation, free.

Upload one Letter of Credit set and get a full UCP 600 / ISBP 821 discrepancy report back in minutes.

Check one presentation free