Feb 27, 2025 (OISY v1 Live)
Last updated
Last updated
OISY enables users to seamlessly manage and self-custody digital assets on multiple blockchains, simply by interacting with a rich web experience that is securely served directly into their web browsers by advanced smart contracts on the Internet Computer – without the need for web browser extensions and phone apps, which can be censored, and expose users’ private keys to danger.
Zurich, Switzerland — February 27, 9 AM ET — A revolutionary new wallet paradigm has transitioned into production: the DFINITY Foundation announces that Version 1.0 of the OISY wallet is live, as the result of its incubation of the project. OISY provides its functionality through a seamless web experience, which is served directly from the blockchain by advanced smart contracts. With OISY, the installation of risky wallet software such as web browser extensions and phone apps is not necessary, and users simply authenticate using modern passkey technology. By building on “chain key” crypto technology, OISY trustlessly integrates with Bitcoin, Ethereum, Solana and ICP, and support for more chains is planned. OISY’s source code is open source and verifiable.
A revolutionary wallet design addressing key risks
Traditional crypto wallets take the form of web browser extensions, and phone apps, which come with several risks. Firstly, browser extensions and apps must hold their users’ private keys in plaintext to sign transactions, which can expose them to malware running on users’ computers. Secondly, the distribution of browser extensions and apps can be censored by parties such as the Chrome Web Store, and the Apple App Store (which have both censored wallets in the past). Thirdly, malicious insiders at corporations providing these services can in principle maliciously alter wallet software. Fourthly, the user must trust that the developers who created the software did not deliberately, or inadvertently, include malicious software logic themselves. With OISY, users use passkeys to authenticate themselves to smart contracts via a web experience they serve directly. Passkey technology maintains authentication data, and signs sessions, inside special secure hardware on modern phones and laptops, which keeps it safe. Meanwhile, users’ tokens are held by the smart contracts themselves, using “chain key” technology. When the smart contracts must sign blockchain transactions for their users, independent blockchain nodes cooperate to create the signatures through consensus. OISY’s entire code - frontend and backend - is implemented as smart contracts running on ICP. This means that the code of OISY cannot only be publicly audited, it can also be publicly verified that the correct code is deployed and runs on the Internet Computer. Thus, the risks of key compromise, key loss, phishing attacks and third party failures are greatly reduced.
Totally seamless, multi-chain functionality
OISY isn’t just about improving security, it's also about providing a better user experience for those wishing to self-custody digital assets on multiple blockchains. Traditional crypto wallets require users to craft transactions themselves, a process that can be cumbersome, error-prone and difficult for non-technical users to accomplish. OISY provides a more seamless user experience, where user-friendly interactions with a web experience cause smart contracts to sign transactions on their behalf, requiring less work, and less skill. Because the smart contracts leverage “chain key” technology, they can trustlessly sign transactions for users on multiple blockchains – enabling OISY users to interact with tokens and decentralized applications (dApps) on Bitcoin, Ethereum, Solana and ICP. The user experience is far more seamless and greatly improved for novices and experienced crypto users alike.
Key Features:
An exclusively in-browser wallet experience, which is richer, more friendly, and seamless, since users do not have to sign transactions manually
A unified wallet for BTC, ETH, SOL, and ICP, with support for more networks coming
Users authenticate to their fully decentralized wallet, served from chain via the URL oisy.com, using passkeys.
The smart contracts that serve the user experience custody tokens for users, and sign transactions, using “chain key” technology.
The wallet is built exclusively from advanced smart contracts running on the Internet Computer, in full decentralization, reducing censorship and security risks, and increasing resilience.
Chain key technology is trustless, and multi-chain, allowing OISY to trustlessly manage tokens and interact with other blockchains without using bridging technology.
Users authenticate to OISY using an Internet Identity, which allows users to associate multiple passkeys, and thus access their wallets from multiple devices, such as phones and laptops.
Within the web experience, users can purchase new digital assets using fiat through a centralized onramper service that has been integrated.
Within the web experience, users can swap digital assets with lighting speed through built-in swaps functionality that integrates with external DEXs.
The wallet now drops random token rewards into eligible users wallets, to incentivize usage.
Delivering World Computer functionality using the Internet Computer
The “World Computer” is the amalgamation of all blockchains hosting tokens and smart contracts, and the overall vision is one of decentralization. The Internet Computer (ICP) is a blockchain with a unique architecture that helps realize this vision: it hosts advanced smart contracts that pay for their own computation (reverse gas), serve web experiences, process and store large amounts of data efficiently, and trustlessly interact with other blockchains using “chain key” cryptography. The Internet Computer is bringing the World Computer vision to life by enabling fully-decentralized, fully-onchain, and multichain experiences, such as OISY, to be created.
The “OISY Sprinkles” program provides exciting incentives to users To celebrate the release of Version 1.0, OISY is kicking off the “OISY Sprinkles” program. As part of this program, at unpredictable times, the OISY project will distribute semi-random quantities of well-known tokens, such as Bitcoin and ether, into users’ wallets, to reward them for their activity.
Dominic Williams, Founder and President of the DFINITY Foundation: "OISY provides a wonderful example of the World Computer paradigm, which is made possible by the next-generation crypto technology provided by ICP."
Akeel Qureshi, Core Contributor at OISY Wallet, stated: “Technology should feel invisible when it’s working at its best. No one thinks about the TCP/IP stack when they send an email, and no one should have to think about blockchain protocols when managing their assets. With OISY, we’re stripping away the barriers, reducing friction to nothing, and making decentralized finance as seamless as it was always meant to be.”
Pierre Samaties, Chief Business Officer at DFINITY, added: “OISY Wallet streamlines multi-chain asset management while increasing decentralization and security. By removing the complexity of key management, OISY makes multi-chain digital asset management accessible to a wider audience.”
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About OISY Wallet
OISY is a fully-decentralized, fully-onchain, in-browser Web3 wallet providing multichain functionality. It is created by advanced smart contracts hosted on the Internet Computer (ICP) blockchain that serve web experiences to users, and can custody of their tokens using “chain key” technology. Users authenticate to the smart contracts over the web using passkey technology, and cause the smart contracts to seamlessly sign transactions for them through their interactions with the web experience.
About the Internet Computer
The Internet Computer is a blockchain network created by Internet Computer Protocol (ICP), whose main token is also called ICP. The technology involved was primarily developed by the DFINITY Foundation (founded 2016), and has benefited from more than 1000 person years of R&D effort to date, involving a world-famous, international team. Although the Internet Computer is a blockchain, it is designed to perform the role of a cloud computing platform that hosts a new form of advanced smart contract software within a serverless environment. Internet Computer smart contract software pays for its own compute using a “reverse gas” paradigm, can serve secure web experiences directly to end users, can process and store large amounts of data efficiently onchain, and can scale. In addition to traditional blockchain applications such as DeFi, the Internet Computer can host apps such as social networks, enterprise systems and AI, fully-onchain, in the form of smart contract software. This means that Web3 apps and services can be built with complete decentralization, greatly increasing censorship resistance, security, and resilience, and enabling full autonomy where required. The Internet Computer blockchain is powered by “chain key” technology, which also allows the smart contracts it hosts to trustlessly interact with tokens and smart contracts on other blockchains, without need for bridges.
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