Payment Glossary

ACH

Automated Clearing House – ACH is a reliable electronic funds transfer (EFT) system governed by National Automated Clearing House Association (NACHA).

Related Terms

  • Acquirer

    An acquirer is a bank that processes credit and debit card transactions for a merchant.

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  • TLS (Transport Layer Security)

    TLS refers to a cryptographic protocol to secure information sent over a computer data network. Connections using TLS typically have multiple authentication methods in place to secure...

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