SecondFi

About SecondFi

SecondFi was a self-custody neofinance platform developed by EMURGO, a co-founding entity of the Cardano blockchain. The platform was officially unveiled in April 2026 at Money20/20 Bangkok and was an evolution of the existing Yoroi Wallet, aiming to integrate spending, trading, earning, and saving into a single mobile application where users maintained full control over their funds. The project was led by Phillip Pon, CEO of EMURGO. The platform was designed for mass adoption, intending to simplify the complexities of Web3 for users without prior cryptocurrency experience. BRBRSecondFi's core offering was a non-custodial wallet that supported multiple blockchain networks, including Cardano, Bitcoin, Ethereum, and Solana, managing over 10,000 digital assets. Key features included cross-chain asset swaps, multi-chain staking, and a Visa debit card issued in partnership with Wirex, allowing users to spend their digital assets at merchants worldwide. The platform was available as a mobile app and a desktop application for Windows, macOS, and Linux. BRBRIn June 2026, just weeks after its launch, SecondFi experienced a major security breach due to a cryptographic flaw in its wallet generation software. The vulnerability in the Ed25519 digital signature algorithm implementation allowed attackers to reconstruct private keys and steal approximately 16.1 million ADA (worth around $2.6 million at the time) from 374 wallets. Investigations pointed towards a sophisticated external actor, with some indicators suggesting a possible link to North Korea's Lazarus Group, though attribution was not confirmed. BRBRFollowing the incident, EMURGO announced in July 2026 that SecondFi and the Yoroi wallet services would be winding down. The company's focus shifted to asset recovery for the affected users and providing a secure migration path for all users to move their funds to other wallets. As of August 2026, a wallet migration tool has been made available within the app, and an asset recovery tool for affected users is expected to be launched in September. BRBRKeywords: SecondFi, EMURGO, Phillip Pon, Yoroi Wallet, self-custody wallet, neofinance, Cardano, crypto debit card, Wirex, multi-chain, cross-chain swap, staking, digital asset management, security breach, wallet exploit, Lazarus Group, ADA theft, crypto wallet shutdown, asset migration, digital signature vulnerability, Ed25519 flaw, blockchain finance, decentralized finance, mobile finance app