TLDR:
- Coinbase Europe fined €21.5M after coding errors disrupted monitoring of €176B in crypto transactions.
- The Central Bank of Ireland penalized Coinbase for AML lapses between 2021 and 2022.
- Coinbase filed 2,700 suspicious transaction reports after re-screening 185K crypto transactions.
- The exchange enhanced its compliance systems to prevent future monitoring and coding errors.
Coinbase Europe Limited (CBEL) has been fined €21.5 million by the Central Bank of Ireland (CBI) for failures in monitoring crypto transactions. The regulator found that from 2021 to 2022, Coinbase failed to properly screen about one-third of customer transactions worth roughly €176 billion.
The issue stemmed from three coding errors in Coinbase’s Transaction Monitoring System (TMS). These errors caused five of its 21 monitoring scenarios to overlook certain transaction patterns.
According to Coinbase, the issue was identified internally and corrected within weeks, but the review of affected transactions took longer.
CBEL later filed approximately 2,700 Suspicious Transaction Reports (STRs) on transactions valued at around €13 million, after re-screening roughly 185,000 previously missed activities. The exchange emphasized that the reports do not indicate confirmed criminal activity.
Coinbase Europe received a €21.5 million fine from the Central Bank of Ireland. The penalty stemmed from a year-long failure to monitor roughly one-third of its customer transactions, totaling over €176 billion.
This regulatory action underscores the serious commitment to… pic.twitter.com/d4c9MIa4Jq
— Osiris News (@NewsOsiris) November 6, 2025
Coinbase Strengthens Oversight After Settlement
Following the incident, Coinbase said it has worked closely with the CBI to resolve the issue and reinforce its anti-money laundering (AML) framework. The company enhanced testing and monitoring procedures to prevent similar coding failures. It also improved oversight mechanisms, including pre-deployment checks for all TMS updates.
In a statement, Coinbase reaffirmed its commitment to compliance and transparency, noting that the coding errors did not compromise its other security controls. The company added that it continues to invest in new detection tools to identify financial risks within the crypto sector.
The CBI’s enforcement action signals Ireland’s determination to hold crypto institutions accountable under AML regulations. With Coinbase serving millions of users across Europe, the case highlights the growing scrutiny of transaction monitoring systems in digital finance.
The post Coinbase Europe Fined €21.5 Million by Irish Central Bank: Here’s Why appeared first on Blockonomi.
This articles is written by : Nermeen Nabil Khear Abdelmalak
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