Comparing Alternative Bitcoin Bridges and Wrapped BTC
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Native Bitcoin cannot be used in DeFi protocols, so it needs to be bridged, wrapped, or tokenized. Wrapped Bitcoin (WBTC) was the first protocol to tokenize the asset, and it is the current industry standard. Alternative Bitcoin bridges include Binance Bridge 2.0 and Avalanche Bridge with the BTC.b token. The main disadvantage of WBTC is Ethereum gas fees, which can be astronomical during peak demand periods on the network. There are other Bitcoin bridges, such as RenBridge, which allows users to mint real Bitcoin and Bitcoin Cash as ERC-20 tokens on the Ethereum blockchain. The advantages of using the Binance bridge include speed and low costs. There is also a main concern with bridges at the moment is security Source