Coinbase’s wrapped Bitcoin token cbBTC goes live

• Coinbase launches cbBTC, an ERC20 token, backed 1:1 by Bitcoin in its custody
• cbBTC allows BTC holders to access DeFi apps like Aave, Compound, and MakerDAO
• Over 843,783 Bitcoins back cbBTC, representing 4% of the total Bitcoin supply

Coinbase, the largest cryptocurrency exchange in the US, has officially launched its new tokenization product, Coinbase Wrapped Bitcoin (cbBTC), marking a significant development in the tokenization of Bitcoin across blockchains.

The newly launched ERC20 token is fully backed 1:1 by Coinbase’s Bitcoin holdings, allowing holders to interact with decentralized finance (DeFi) applications on Ethereum and Base. Coinbase plans to support more chains in the future.

The release of cbBTC provides an innovative bridge between Bitcoin and Ethereum’s DeFi ecosystem, giving Bitcoin holders more ways to lend, borrow, and earn yields with their assets.

cbBTC is backed by Coinbase’s Bitcoin holdings

Coinbase’s extensive Bitcoin holdings back the entire supply of cbBTC.

As of now, Coinbase holds over 843,783 Bitcoins in custody, valued at around $48.7 billion, representing more than 4% of the total Bitcoin supply. This ensures robust liquidity for cbBTC holders.

The number of cbBTC tokens in circulation will be directly limited by the amount of Bitcoin Coinbase owns.

How does cbBTC work?

When users transfer Bitcoin from Coinbase to an address on Base or Ethereum, their BTC is automatically converted into cbBTC at a 1:1 ratio. This conversion happens seamlessly, and the reverse process occurs when cbBTC is sent back to a Coinbase account, transforming the wrapped asset back into Bitcoin.

Unlike a typical token launch, cbBTC will not have a separate order book or trading pair on Coinbase, but it will be accessible on decentralized exchanges (DEXs) like Aerodrome and Curve. Additionally, third-party exchanges may choose to list cbBTC in the future.

At launch, cbBTC will be available on Coinbase in Australia, Brazil, EEA states, Singapore, the UK, and the US, excluding New York State.

Expanding decentralized financial access

The introduction of cbBTC is not just a technical advancement but also part of Coinbase’s broader mission to expand decentralized financial access.

Will Robinson, Coinbase’s Vice President of Engineering, has highlighted cbBTC’s potential to bring “1 billion people on-chain.”

By providing Bitcoin holders with access to DeFi applications such as Aave, Compound, and MakerDAO, cbBTC enhances the utility of Bitcoin, helping users integrate their BTC into a wider financial ecosystem.

With the growing demand for Bitcoin-based DeFi products, cbBTC positions Coinbase as a leader in the tokenization space.

Notably, Coinbase’s move comes shortly after BitGo’s announcement regarding custody services for wBTC, further fueling competition in the wrapped Bitcoin market.

With support from major DeFi protocols, cbBTC could play a key role in shaping the future of decentralized finance.

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