
Leather
a Bitcoin and Stacks wallet for browser and mobile, used by 100,000+ holders to store BTC, sBTC, and STX.

What is Leather?
Leather is an open-source, non-custodial wallet for Bitcoin and Stacks, available as a Chrome extension and on iOS and Android. Users store BTC, sBTC, and STX, earn yield through Stacking and sBTC providers, swap tokens via Bitflow, Velar, and ALEX, and connect to Bitcoin L2 dApps. Audited by Least Authority and field-tested via HackerOne.
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What is ERC-4337?
ERC-4337 enables smart contract wallets on Ethereum without requiring any consensus-layer protocol changes.

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App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

