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ISO 20022 Academy

ISO 20022 Academy

ISO 20022 glossary

CRDT/DBIT

The credit/debit indicator: CRDT means money in, DBIT means money out — direction depends on whose account you are reading.

ISO 20022 Academy

The best place on the internet to understand, explore, and experiment with ISO 20022.

This started as my own study notes — one person trying to make sense of a standard everyone said to “just read the spec” for. It grew into the resource I wish someone had handed me on day one. If it helps you, that's the entire reward. — Revanth Sai Rayapati

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ISO 20022 Academy · An interactive academy for how money moves · © 2026