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.
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.
Web3 dapps and developer tools related to SSP Wallet
Discover blockchain applications that are frequently used with SSP Wallet.
Safe
Utila
Wallet 3
Stackup
Developer resources from Alchemy
What is ERC-4337?
ERC-4337 enables smart contract wallets on Ethereum without requiring any consensus-layer protocol changes.
Smart accounts adoption accelerated in Q4 2023
ERC-4337 smart account adoption saw major growth in the fourth quarter of 2024, surpassing 1 million total deployed accounts!
How Virtuals built the infrastructure for AI agent economies with smart wallets
Programmable smart wallets enable tens of thousands of autonomous transactions across 10+ AI agents
SSP Wallet alternatives
Explore web3 competitors and apps like SSP Wallet.
Linen
MPCVault
Ownbit
10102App 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.
