Blockchain security involves safeguarding and validating digital transactions within the innovative distributed ledger technology. The industry includes a plethora of companies that offer advanced solutions to businesses, enabling organizations to operate more securely and transparently. Services range from risk management to the provision of scalable, decentralized platforms for smart contracts and supply chain management. As this technology is in its nascent stage, the sector is bound to witness significant growth by providing revolutionary solutions to various industries, definitely heading towards a more secure digital world.


Top 27 Blockchain Security Companies

1. Stakexchain

  • Website: stakexchain.com
  • Headquarters: United Arab Emirates, All Provinces Of United Arab Emirates, United Arab Emirates
  • Founded: 2009
  • Headcount: 10001+
  • LinkedIn

StakeXChain is a company that offers advanced blockchain solutions and services to businesses. They provide secure and decentralized platforms for smart contracts, digital assets, and supply chain management.


2. Polkadot

  • Website: polkadot.network
  • Headquarters: Zug, Zug, Switzerland
  • Founded: 2020
  • Headcount: 10001+
  • Latest funding type: Seed
  • LinkedIn

Polkadot.network is an open-source project founded by the Web3 Foundation that offers unprecedented economic scalability and transactional scalability by enabling multiple parallel blockchains to securely communicate and interoperate. It provides a sophisticated governance system and ensures future-proof and community-driven development. Polkadot has the lowest carbon footprint among proof-of-stake protocols and allows cross-blockchain transfers of any type of data or asset.


3. CertiK

  • Website: certik.com
  • Headquarters: New York, New York, United States
  • Founded: 2018
  • Headcount: 201-500
  • Latest funding type: Series B
  • LinkedIn

CertiK.com offers security and risk management services for Web3 projects. With expertise in audits, bug bounties, and smart contract monitoring, they help clients make informed investment decisions. Their services include comprehensive security assessments, vulnerability identification, and continuous assessment by ethical hackers.


4. Stratumn

  • Website: stratumn.com
  • Headquarters: Paris, Île-De-France, France
  • Founded: 2015
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

Stratumn is a company that offers a protocol called Proof of Process (PoP). This protocol allows participants to trust a common process by recording immutable data regarding who did what, when, and in which order. Using a cryptographic audit trail, Stratumn ensures that every step of a process is easily shared, independently verified, and provides a backbone of trust for participants in Proof of Process Networks.


5. Hacken Web3 Cybersecurity Auditor

  • Website: hacken.io
  • Headquarters: Tallinn City, Harju County, Estonia
  • Founded: 2017
  • Headcount: 51-200
  • Latest funding type: Series Unknown
  • LinkedIn

Hacken.io is a blockchain security auditor that aims to transform Web3 into a safer place. With 5+ years of experience, they offer professional cybersecurity services to protect technological businesses and crypto communities worldwide.


6. Halborn

  • Website: halborn.com
  • Headquarters: Metaverse, Florida, United States
  • Founded: 2019
  • Headcount: 51-200
  • Latest funding type: Series A
  • LinkedIn

Halborn is a blockchain security firm that specializes in providing ethical hackers, infosec services, and penetration testing. They offer comprehensive security solutions to safeguard blockchain infrastructure and smart contracts. Certified by top industry standards, Halborn brings extensive knowledge of best security practices both within and outside the blockchain industry.


7. Ud

  • Website: ud.hk
  • Headquarters: Hong Kong, Hong Kong, Hong Kong
  • Founded: 1998
  • Headcount: 51-200
  • LinkedIn

UD is a leading blockchain and security solutions provider in Hong Kong, offering a diverse array of one-stop solutions and consulting services to help enterprises leverage blockchain, NFT, metaverse, and cryptocurrency for business growth.


8. Conflux

  • Website: conflux-chain.org
  • Headquarters: Singapore, Singapore, Singapore
  • Founded: 2018
  • Headcount: 51-200
  • Latest funding type: Series A
  • LinkedIn

Conflux Chain is a company that offers blockchain solutions and services. They specialize in developing decentralized applications and providing secure and transparent transactions on the blockchain.


9. Quantstamp, Inc.

  • Website: quantstamp.com
  • Headquarters: San Francisco, California, United States
  • Founded: 2017
  • Headcount: 11-50
  • Latest funding type: Series A
  • LinkedIn

Quantstamp is a company that aims to secure the decentralized internet by protecting over $200B in digital asset risk from hackers. They offer smart contract, off-chain, networking, and front-end audits to enhance the security of decentralized applications. They work with startups, foundations, and enterprises to keep their innovative products safe.


10. Trail of Bits

Trail of Bits is a high-end security research company that helps organizations and products reduce risk and fortify code. They offer software assurance services, including comprehensive security landscape understanding and vulnerability protection. Their team specializes in systems software, blockchain, cryptography, and more.


11. Fairyproof Tech

Fairyproof is a blockchain security company that develops Ethereum standards and specializes in manual and automated security audits for smart contracts, blockchains, and wallets. They have audited well-known projects on established blockchains and developed multi-dimensional systems and tools for automated security audits. Their goal is to make the world of Web3.0 a safer place.


12. Zokyo

  • Website: zokyo.io
  • Headquarters: Barcelona, Catalonia, Spain
  • Founded: 2018
  • Headcount: 11-50
  • LinkedIn

Zokyo.io provides source code audits, smart contract audits, and blockchain protocol audits to ensure the security and integrity of web3 and blockchain projects. They offer comprehensive evaluations, identifying vulnerabilities and assisting in fixing them. With expertise in Solidity, Rust, and Golang, they help build secure and scalable applications. Trusted by top-tier investors, Zokyo's cybersecurity services protect innovations and investments in the decentralized finance ecosystem.


13. ChainSecurity

  • Website: chainsecurity.com
  • Headquarters: Zurich, Zurich, Switzerland
  • Founded: 2021
  • Headcount: 11-50
  • Latest funding type: Acquired
  • LinkedIn

Chainsecurity is a company specializing in smart contract audits and blockchain security. With a team led by former Big 4 professionals, they offer thorough and high-quality audits to blue-chip DeFi protocols, promising Web3 projects, central banks, and large organizations. Their expertise, professionalism, and technical capability make them a trusted partner in the industry.


14. TomoChain Lab Pte. Ltd.

  • Website: tomochain.com
  • Headquarters: Singapore, Central Region, Singapore
  • Founded: 2017
  • Headcount: 11-50
  • Latest funding type: Initial Coin Offering
  • LinkedIn

TomoChain is a blockchain technology company that aims to accelerate the onboarding of millions of users by providing technology that masks the friction of Blockchain while retaining its underlying benefits. They offer a developer-friendly platform, protocols, and products that support high-performance blockchain projects. Their solutions are scalable, secure, and customizable for enterprises. TomoChain also offers a decentralized exchange (DEX) protocol and a private protocol for protecting identity. They focus on real-world usage and aim to provide liquidity and liquidity solutions.


15. Algobitz Pvt Ltd

  • Website: algobitz.com
  • Headquarters: Singapore, Central Region, Singapore
  • Founded: 2018
  • Headcount: 11-50
  • LinkedIn

Algobitz is a blockchain development company that specializes in the creation of future-ready Metaverse projects. They offer solutions for token development, crypto exchange, NFT marketplace, and more. With their experienced team and ready-to-deploy solutions, they provide reliable and convenient options for game developers and businesses aiming to enter the Metaverse. Algobitz also offers consultation services for blockchain implementation and provides enhanced security and efficiency through technologies like AI and smart contracts.


16. QuillHash

Quillhash.com is a blockchain development company that offers services on private and public blockchain platforms. They specialize in blockchain security audits, smart contracts development, and decentralized exchange development.


17. Scan DeFi

Scan DeFi is a company that prioritizes security. They offer specialized services and solutions to enhance security measures in the decentralized finance (DeFi) industry.


18. PeckShield

  • Website: peckshield.com
  • Headquarters: 北京, Zhejiang, China
  • Founded: 2018
  • Headcount: 11-50
  • Latest funding type: Angel
  • LinkedIn

PeckShield is an industry leading blockchain security company providing comprehensive blockchain security solutions including smart contract auditing, vulnerability scanning, threat intelligence, and risk management.


19. Input Output (IOHK)

  • Website: iohk.io
  • Headquarters: Singapore, Hong Kong Island, Hong Kong
  • Founded: 2014
  • Headcount: 201-500
  • LinkedIn

IOHK is a research and development company that focuses on providing solutions in the field of blockchain technology. They specialize in developing protocols, designing cryptocurrencies, and building decentralized applications. IOHK offers services in research, consulting, and engineering to support the adoption and implementation of blockchain solutions.


20. Wanchain

  • Website: wanchain.org
  • Headquarters: Singapore, Singapore, Singapore
  • Founded: 2017
  • Headcount: 51-200
  • Latest funding type: Seed
  • LinkedIn

Wanchain is a blockchain technology company that offers a network upgrade and provides solutions for blockchain interoperability. They aim to bridge different blockchain networks, allowing seamless communication and data transfer. With a focus on enhancing security and scalability, Wanchain enables the development of decentralized applications and GameFi platforms.


21. WeAlwin Technologies Pvt. Ltd

  • Website: alwin.io
  • Headquarters: Madurai, Tamil Nadu, India
  • Founded: 2018
  • Headcount: 51-200
  • LinkedIn

Alwin.io is a blockchain development company that specializes in creating decentralized solutions for various industries. They offer services such as blockchain development, smart contract auditing, token development, and enterprise blockchain solutions. With a team of experts, they provide innovative and secure blockchain solutions tailored to their clients' needs.


22. Cros

  • Website: cros.network
  • Headquarters: Dubai, United Arab Emirates
  • Founded: 2020
  • Headcount: 51-200
  • LinkedIn

Cros.network is a multichain blockchain platform that empowers brands and creators to seamlessly launch, advertise, and sell NFTs everywhere. It enables Metaverses, Defi, NFTs to discover liquidity, exchange assets, and orchestrate value chains. The platform provides a single source of truth and full traceability for its users, incentivizing honest behavior and ensuring security. Cros combines the best of Ethereum and sovereign blockchains to solve pain points associated with high gas fees and slow speeds without sacrificing security.


23. Xord

  • Website: xord.com
  • Headquarters: Karachi, Sindh, Pakistan
  • Founded: 2018
  • Headcount: 51-200
  • LinkedIn

Xord is a Web3 research and development company that offers disruptive products and services in the blockchain space. They provide consultation, development services, and innovative solutions to accelerate the adoption of blockchain technology.


24. MetaMask

  • Website: metamask.io
  • Headquarters: San Francisco, California, United States
  • Founded: 2016
  • Headcount: 11-50
  • LinkedIn

MetaMask is a leading self-custodial wallet that provides a secure way to connect to blockchain-based applications. With over 30 million users worldwide, MetaMask equips users with a key vault, secure login, token wallet, and token exchange to manage digital assets.


25. BlockchainMind

Blockchain Mind is a consulting company specializing in blockchain technology, including NFT (non-fungible tokens), DeFi (decentralized finance), DAX (digital asset exchange), and smart contracts.


26. InnBlockchain Private Limited

InnBlockchain is a blockchain development company that offers a client-centric approach and provides end-to-end support for blockchain solutions. They specialize in developing digital currency exchange platforms, decentralized applications, and token development services on blockchain platforms like Ethereum, Tron, EOS, and Binance Smart Chain.


27. Blockwise Engineering LLC

Blockwise is a company that provides innovative solutions for the blockchain industry. They offer a range of services and products to enhance the efficiency and security of blockchain networks.


Want to find more blockchain security companies?


If you want to find more companies that offer advanced blockchain solutions, risk management services, and enable secure, transparent operations you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.


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