OpenZeppelin is a developer security tool for smart contracts, testing, monitoring, or audits.
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OpenZeppelin Defender is a developer security tool for smart contracts, testing, monitoring, or audits.
Optimism Blog covers crypto news, blockchain markets, Web3 projects, and digital asset industry updates.
OtterSec provides blockchain security audits and research. The firm audits Layer 1 foundations, wallets, DeFi protocols, bridges, and related infrastructure, and publishes past audits, findings, research notes, and team talks.
Ouroboros Capital helps with crypto security, portfolio tracking, auditing, risk monitoring, or asset protection.
Oxygen is a DeFi prime brokerage service built on Solana and powered by Serum's on-chain infrastructure. It lets users earn yield, borrow from peers, trade directly out of their pools and get trading leverage against a portfolio of assets. It uses multiple uses of the same collateral, cross-collateralization and order-book-based pricing.
Phantom Wallet is a crypto wallet for storing, sending, receiving, and using digital assets across networks.
Pintu is a crypto wallet for storing, sending, receiving, and using digital assets across networks.
Portal is a crypto wallet for storing, sending, receiving, and using digital assets across networks.
Rabby Wallet is a crypto wallet for storing, sending, receiving, and using digital assets across networks.
Rainbow is a mobile and desktop application for trading financial markets, including crypto, stocks, commodities, meme coins and world events. It offers prediction markets, perpetual futures with up to 50x leverage powered by Hyperliquid, and live price data. Users hold their own keys, and every trade earns $RNBW rewards.
Rally is a social wallet application for web3. It lets users follow friends and top traders to see their trading, minting and exploring activity, and it supports trading memes, crypto and NFTs. The app lists trending tokens ranked by traders and volume and offers funding options for deposits and purchases.
Re7 Labs is a DeFi research and advisory project. It applies in-house risk tooling and research to support DeFi protocols as a curator and advisor, and works on DeFi ecosystem design. It also offers Re7 DeFi Ratings, a risk management framework that evaluates smart contract and other DeFi risks to assign holistic ratings.
Readsom hosts newsletters that are handpicked and filtered through topics so readers can explore and discover newsletters by interest. The site lists featured, top rated and recently added newsletters, with examples covering Web3, productivity, well-being and politics.
Ready is a crypto wallet for storing, sending, receiving, and using digital assets across networks.
Rekt helps with crypto security, portfolio tracking, auditing, risk monitoring, or asset protection.
Renegade is an app for managing fiat and crypto in one platform, with custodial or non-custodial custody options and card tiers named Pioneer, Voyager and Vanguard. The Pioneer tier costs 9,90 EUR monthly, or 4,90 when paid in RNG.
Revoke.cash is a wallet security tool for inspecting and revoking token approvals and permissions across Ethereum and more than 80 networks. It provides an approval dashboard, an exploit checker, and automated revoking. Paid plans add multichain monitoring and automated protection.
Robinhood Wallet is a crypto wallet for storing, sending, receiving, and using digital assets across networks.
Ronin Wallet is a crypto wallet for storing, sending, receiving, and using digital assets across networks.
Roobee Finance helps with crypto security, portfolio tracking, auditing, risk monitoring, or asset protection.
Safe provides smart account infrastructure, the Safe{Wallet} and Safe Pro products, and APIs for managing digital assets onchain. It supports multisig treasuries, protocol operations and product development, with plan-based API quotas and paid tiers such as Starter, Growth and Scale.
SafePal is a crypto wallet or custody tool for managing assets, permissions, and on-chain accounts.
Scopuly is a crypto wallet for storing, sending, receiving, and using digital assets across networks.