c

Coinbase Wrapped BTC

active

cbBTC

wrapped

Launched

2024-09-12

Coinbase Wrapped BTC (cbBTC) is a wrapped Bitcoin product issued by Coinbase, backed 1:1 by Bitcoin held in custody.

Contract Addresses

BaseVerified
0xcbb7c0000ab88b473b1f5afd9ef808440eed33bf
EthereumVerified
0xcbb7c0000ab88b473b1f5afd9ef808440eed33bf

Wrapping Mechanism

Type

centralised custody

Decentralization

Level 2/5

Description

Coinbase holds Bitcoin in custody and issues cbBTC tokens on Base and Ethereum

Technical Summary

Coinbase custody infrastructure secures underlying BTC. cbBTC tokens minted on Base L2 for lower fees and faster transactions.

Trust Assumptions

  • Coinbase custody security
  • Coinbase regulatory compliance
  • Base L2 infrastructure reliability

MiCA Classification

Unresolved

cbBTC MiCA classification follows same genuinely unresolved status as WBTC. ESMA has not issued guidance on whether wrapped Bitcoin products qualify as ARTs. Single-asset reference (BTC only) suggests non-ART classification under MiCA Article 2, which requires referencing 'one or several' assets. However, ESMA confirmation pending. Key differentiator: Coinbase Luxembourg S.A. holds full MiCA CASP authorization from CSSF (June 2025), providing strongest regulatory foundation among wrapped Bitcoin products.

ART Criteria Analysis

references multiple assetsNo
references single asset btcYes
stabilisation mechanismYes
used for paymentslimited
Confidence:medium
Expected Clarity:2026-Q2
ESMA MiCA Guidance

Proof of Reserves

Methodology

self attested

Frequency

irregular

Limitations

  • Limited public attestations compared to competitors
  • Relies on Coinbase's custody infrastructure

Custodian

Coinbase Custody Trust Company

centralised custody

View Custodian Profile

Quick Links

Disclaimer

Regulatory status information is for educational purposes only. Always verify current regulations with official sources before making decisions. Not financial or legal advice.