1 4.9 Fireblocks 1 รีวิว Fireblocks uses multi-party computation (MPC) technology to eliminate single points of failure in private key management, securing trillions in institutional digital asset transfers. 2 4.9 OpenZeppelin 1 รีวิว OpenZeppelin provides professional smart contract security audits and the Defender platform for real-time monitoring and automated incident response for deployed contracts. 3 4.9 Trail of Bits 1 รีวิว Trail of Bits conducts security audits for top-tier DeFi protocols and blockchain infrastructure, known for deep technical rigor in smart contract analysis and cryptographic system review. 4 4.8 Casa Bitcoin 1 รีวิว Casa provides premium Bitcoin multisig security with 2-of-3 and 3-of-5 key vaults, inheritance planning, and health checks that make advanced self-custody accessible to mainstream users. 5 4.8 Consensys Diligence Ethereum 1 รีวิว Consensys Diligence provides expert Ethereum smart contract audits combining manual review with automated analysis tools, backed by deep Ethereum ecosystem expertise. 6 4.8 Immunefi 1 รีวิว Immunefi is the dominant Web3 bug bounty platform, hosting vulnerability reward programs for hundreds of blockchain projects and facilitating responsible disclosure of smart contract vulnerabilities. 7 4.8 Monero XMR Monero 1 รีวิว Monero provides best-in-class transaction privacy through mandatory privacy features including ring signatures, stealth addresses, and RingCT, making all transactions private by default rather than optional. 8 4.8 Safe SAFE Ethereum 1 รีวิว Safe provides institutional-grade security through multi-signature smart accounts with programmable transaction rules, spending limits, and account recovery. 9 4.7 Chainalysis 6 รีวิว Chainalysis เสริมความแข็งแกร่งให้กับความปลอดภัยของการเข้ารหัสโดยการจัดเตรียมเครื่องมือซอฟต์แวร์ที่ติดตามธุรก 10 4.7 Bisq BSQ Bitcoin 1 รีวิว Bisq prioritizes privacy and security with mandatory Tor connectivity, no identity requirements, multisig escrow, and fully decentralized architecture with no single point of failure. 11 4.7 BitGo 1 รีวิว BitGo pioneered multi-signature security for Bitcoin and provides enterprise-grade key management infrastructure protecting institutional digital assets. 12 4.7 CertiK 1 รีวิว CertiK is one of the largest blockchain security firms, offering smart contract audits, penetration testing, on-chain monitoring, and its Skynet security scoring platform for ranking crypto project safety. 13 4.7 Code4rena 1 รีวิว Code4rena operates competitive smart contract audit contests where security researchers compete to find vulnerabilities, combining crowdsourced review breadth with structured judging quality control. 14 4.7 Cyfrin 1 รีวิว Cyfrin provides professional smart contract auditing services and maintains open-source security tools, combining hands-on audit work with educational resources for the developer community. 15 4.7 OtterSec 1 รีวิว OtterSec is a leading blockchain security auditor with deep expertise in Solana/Rust smart contract auditing, also covering Ethereum, Cosmos, and Aptos ecosystems. 16 4.7 PeckShield 1 รีวิว PeckShield provides smart contract audits, real-time DeFi exploit monitoring, and incident investigation services. Known for rapidly detecting and publicly disclosing blockchain security incidents. 17 4.7 Runtime Verification 1 รีวิว Runtime Verification specializes in formal verification of smart contracts, using mathematical proofs to ensure contract correctness beyond what traditional auditing can achieve. 18 4.7 SlowMist 1 รีวิว SlowMist provides smart contract audits, exchange security assessments, threat intelligence, and stolen asset tracking. Maintains a comprehensive database of blockchain security incidents. 19 4.7 Sparrow Wallet Bitcoin 1 รีวิว Sparrow Wallet emphasizes Bitcoin security with multisig support, hardware wallet compatibility, air-gapped signing via PSBT, and privacy features including Whirlpool CoinJoin. 20 4.7 Spearbit 1 รีวิว Spearbit operates as a decentralized network of elite smart contract auditors, curating top-tier security researchers for collaborative high-quality protocol reviews. 21 4.6 BlockSec 1 รีวิว BlockSec provides smart contract audits, real-time attack detection, and the Phalcon platform for automated exploit front-running and blocking to protect DeFi protocols. 22 4.6 Dedaub Ethereum 1 รีวิว Dedaub provides smart contract security audits combining manual expert review with proprietary static analysis and decompilation tools, plus the Watchdog monitoring service for deployed contracts. 23 4.6 Halborn 1 รีวิว Halborn provides end-to-end blockchain security services including smart contract audits, penetration testing, cloud security assessment, and incident response for Web3 projects and crypto exchanges. 24 4.6 Start9 Bitcoin 1 รีวิว Start9 promotes Bitcoin self-sovereignty through StartOS personal servers, enabling users to verify their own transactions and run private Bitcoin infrastructure without third-party dependencies. 25 4.6 TRM Labs 1 รีวิว TRM Labs enhances crypto security through blockchain forensics, helping detect and investigate financial crimes, sanctions violations, and illicit fund flows. 26 4.6 Wasabi Wallet Bitcoin 1 รีวิว Wasabi Wallet provides advanced Bitcoin privacy through its WabiSabi CoinJoin protocol, mandatory Tor routing, and client-side block filtering to protect against blockchain surveillance. 27 4.6 Zcash ZEC Zcash 1 รีวิว Zcash provides advanced privacy through zk-SNARKs zero-knowledge proofs, enabling fully shielded transactions that hide sender, receiver, and amount while maintaining cryptographic verifiability. 28 4.6 Zellic 1 รีวิว Zellic provides smart contract audits across Ethereum, Solana, Cosmos, and Move-based chains, with particular expertise in non-EVM blockchain architectures and novel smart contract languages. 29 4.5 BitBox 1 รีวิว BitBox emphasizes security through Swiss manufacturing, open-source firmware, dual-chip architecture with secure element, and a minimalist Bitcoin-only edition option. 30 4.5 Elliptic 1 รีวิว Elliptic contributes to crypto security through blockchain forensics, detecting illicit transaction patterns, sanctions evasion, and financial crimes across digital asset networks. 31 4.5 Forta Network FORT Ethereum 1 รีวิว Forta Network provides decentralized real-time threat detection and monitoring across EVM blockchains, using a network of independent bots that scan transactions for exploits and anomalies. 32 4.5 Hexagate 1 รีวิว Hexagate provides proactive real-time threat detection and prevention for blockchain protocols using machine learning and invariant analysis to identify exploits before they happen. 33 4.5 Lit Protocol LIT Ethereum 1 รีวิว Lit Protocol provides threshold cryptography-based security infrastructure, enabling decentralized key management and access control without single points of failure for Web3 applications. 34 4.5 Nexus Mutual NXM Ethereum 1 รีวิว Nexus Mutual provides decentralized insurance coverage against smart contract exploits and protocol failures, with community-driven claims assessment. 35 4.5 Oasis Network ROSE Oasis Network 1 รีวิว Oasis Network provides confidential computing through its Sapphire ParaTime, offering the first EVM-compatible confidential smart contract environment for privacy-preserving dApp development. 36 4.5 Quantstamp 1 รีวิว Quantstamp is a veteran blockchain security firm providing smart contract audits, security consulting, and automated vulnerability analysis across multiple blockchain ecosystems. 37 4.5 Sardine 1 รีวิว Sardine offers advanced fraud prevention using device intelligence and behavioral biometrics to protect crypto platforms from payment fraud and identity theft. 38 4.5 Secret Network SCRT Secret Network 1 รีวิว Secret Network provides encrypted smart contract execution, keeping inputs, outputs, and contract state private through hardware-based trusted execution environments (TEEs). 39 4.4 Cantina 1 รีวิว Cantina is a Web3 security marketplace offering managed audits, competitive security contests, and bug bounties, connecting protocols with curated top-tier security researchers. 40 4.3 Crystal Blockchain 1 รีวิว Crystal Blockchain enhances crypto security through blockchain forensics, fund flow visualization, and real-time monitoring to identify and investigate illicit activity. 41 4.3 Decred DCR Decred 1 รีวิว Decred provides optional transaction privacy through its CSPP (CoinShuffle++) mixing protocol, enabling users to anonymize their DCR holdings through decentralized mixing. 42 4.3 Electrum 1 รีวิว Electrum provides robust security through multi-signature support, hardware wallet integration, cold storage options, and a proven 13+ year track record in the Bitcoin ecosystem. 43 4.3 Hats Finance HAT Ethereum 1 รีวิว Hats Finance operates a decentralized bug bounty platform with on-chain bounty vaults, enabling transparent and automated vulnerability reward distribution for crypto projects. 44 4.3 Keystone Wallet 1 รีวิว Keystone provides robust security through complete air-gapping, open-source firmware, Shamir Secret Sharing backup, and multi-sig support for advanced key management. 45 4.3 Mina Protocol MINA Mina 1 รีวิว Mina's zero-knowledge proof technology enables privacy-preserving applications where users can prove facts about data without revealing the underlying information, enhancing blockchain privacy. 46 4.3 Phala Network PHA Polkadot 1 รีวิว Phala Network provides hardware-based privacy through trusted execution environments (TEEs), enabling confidential smart contracts and data processing without exposing sensitive information. 47 4.3 Rabby Wallet 1 รีวิว Rabby stands out for its security features including pre-transaction simulation, phishing site detection, token approval management, and contract risk scoring. 48 4.3 Sherlock 1 รีวิว Sherlock combines competitive smart contract audit contests with exploit coverage, creating a unique model where auditors have skin-in-the-game through Sherlock's coverage pool. 49 4.2 Chainproof 1 รีวิว Chainproof provides regulated smart contract insurance coverage backed by traditional reinsurance markets, bridging institutional insurance with DeFi security. 50 4.2 Iron Fish IRON Iron Fish 1 รีวิว Iron Fish provides default privacy for all transactions through zero-knowledge proofs, encrypting sender, receiver, and amount data while offering view keys for optional regulatory compliance. 51 4.2 Manta Network MANTA Ethereum 1 รีวิว Manta Network emphasizes programmable privacy through zero-knowledge proofs and Universal Circuits technology for building privacy-preserving applications. 52 4.2 Tangem 1 รีวิว Tangem provides hardware-level security through its embedded secure chip while maintaining ease of use via NFC tap-to-sign transaction verification with multi-card backup sets. 53 3.8 InsurAce INSUR Ethereum 1 รีวิว InsurAce provides DeFi insurance coverage against smart contract exploits, stablecoin de-pegging, and exchange failures across multiple blockchain networks.