Crypto Wallet Firm Trezor Adds Privacy-Enhancing ‘CoinJoin’ Feature to Bitcoin Transactions


Hardware wallet manufacturer Trezor today rolled out a new privacy feature for its devices.

First teased last year, the new CoinJoin feature became possible thanks to Trezor’s collaboration with Wasabi Wallet, a privacy-focused Bitcoin wallet that specializes in this precise piece of technology.

Bitcoin CoinJoins are a privacy-enhancing technique that allows multiple users to pool their Bitcoin inputs (unspent transaction outputs, or UTXOs) into a single transaction and to receive the same amount of Bitcoin output, but with different addresses.

This effectively “mixes” the inputs, making it more difficult to trace the individual transactions back to their original sources.

CoinJoins can be executed in different ways, with varying levels of privacy and complexity. One common method is to use a dedicated CoinJoin service, such as Wasabi Wallet, which is now live on the Trezor Model T. Model One support is to be added in the near future.

Trezor CEO Matěj Žák claims the CoinJoin tech ensures a level of anonymity close to that of cash.
“People can use cash for private transactions…

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