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SSP Wallet
SSP Wallet
Multisig walletsSmart contract wallets

SSP Wallet

True 2-of-2 BIP48 multisig wallet that splits signing between a browser extension and a mobile SSP Key app for every transaction.

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What is SSP Wallet?

SSP Wallet is an open-source 2-of-2 multisig wallet that pairs a Chrome, Firefox, or Brave extension with a mobile SSP Key app — both devices must sign every transaction. It supports 15+ chains including Bitcoin, Ethereum, Litecoin, Zcash, Dogecoin, Bitcoin Cash, Polygon, BNB Smart Chain, Avalanche, and Base, with ERC-4337 account abstraction on EVM and native BIP48 multisig on UTXO chains. Released under AGPL-3.0 and audited by Halborn.

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Developer resources from Alchemy

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.

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