The Best rekt Alternatives in 2026

Trail of Bits publishes security reviews, research, open-source tools, and talks covering software, blockchains, and AI systems.

Sigma Prime audits smart contracts, zero-knowledge systems, blockchain infrastructure, and off-chain code, and publishes security research.

Chainalysis provides blockchain data and intelligence tools for investigating illicit activity, managing risk, and preventing crypto fraud.

CoinStats tracks crypto portfolios across coins, exchanges, wallets, and blockchains, with tools to buy, swap, and stake assets.

DeFiSafety reviews process quality in decentralized finance and publishes its review criteria, documentation, and research resources.

Nexus Mutual offers crypto cover for risks including hacks and describes itself as an alternative to insurance.

Coinmerce Capital presents managed crypto investment funds including Core, Frontier, and Yield.

Immunefi connects crypto projects with security researchers through smart contract and crypto bug bounty programs.

CoinLedger provides crypto tax preparation and forms, with support for exchanges, NFTs, DeFi, and cryptocurrency transactions.

OtterSec audits blockchain systems, including layer-one networks, wallets, DeFi protocols, bridges, and related infrastructure.

Three Sigma audits blockchain code and DeFi systems, reporting security findings and services for Web3 projects.

StarkWare develops STARK proof technology for blockchain scalability, security, and privacy, with products including Starknet and StarkEx.

Hexens audits blockchain systems and offers continuous threat exposure monitoring, alongside research on smart contract platform vulnerabilities.

Splunk for Blockchain helps monitor blockchain systems by collecting and analyzing onchain and offchain data.

BlockSec Phalcon detects blockchain attacks and sends alerts to protocols, liquidity providers, traders, chains, and exchanges.

TRM Labs provides blockchain intelligence for investigating illicit activity, managing risk, preventing fraud, and securing protocols.

RockawayX invests in Web3 ventures and provides blockchain infrastructure, liquidity, and engineering support for protocols and founders.

CryptoRank tracks crypto portfolios and provides market data and analytics for digital assets.

OpenZeppelin Defender is documented within the official OpenZeppelin library and tools documentation.

Each Ethernaut level requires hacking a smart contract in the Ethereum Virtual Machine through a Web3 and Solidity wargame.

Tulipa Capital curates DeFi risk strategies and provides dashboards and partner information for its on-chain finance work.

3F Mutual offers insurance related to a MakerDAO emergency shutdown, according to its page.

AlphaPing operates non-custodial on-chain credit vaults with defined risk constraints, verifiable accounting, and liquidity rules.