LimeChain

LimeChain
Company typePrivate
IndustryBlockchain technology, Web3 infrastructure
Founded2017 (2017)
HeadquartersSofia, Bulgaria
ProductsProtocol engineering, dApp development, developer tooling, blockchain consulting
Number of employees
~154

LimeChain is a Bulgarian blockchain development and Web3 infrastructure company founded in 2017 and headquartered in Sofia, Bulgaria.[1] The company focuses on protocol engineering, decentralized application (dApp) development, and developer tooling.[2] The company was profiled in Forbes and in 2024 was ranked in the Deloitte Technology Fast 500 EMEA for revenue growth.[3][4]

History

LimeChain was founded in 2017 in Sofia, Bulgaria.[1][3] The company initially focused on protocol-level engineering, SDKs, and blockchain infrastructure.[5][6]

Early clients included Procter & Gamble, Raiffeisen Bank, and Propy.[7][8] By 2022, the team had grown by 50% year over year to more than 100 employees.[9] The company subsequently expanded to over 150 team members and established a presence in the United Kingdom.[10][11][12][13]

In late 2019, LimeChain joined the Hyperledger project and the Linux Foundation. In January 2020, the company was admitted as one of eight Hyperledger Fabric Certified Service Providers worldwide.[8] That year, LimeChain also launched LimeLegal, a joint venture with Progressive Lawyers focused on blockchain legal advisory services.[9][14]

In 2024, LimeChain was ranked 327th in the Deloitte Technology Fast 500 EMEA.[4][15][16] One of the company's co-founders was accepted into the Endeavor Network, a global community supporting high-impact entrepreneurs.[17] The company was profiled in Forbes in December 2024, in an article on the convergence of AI and blockchain,[2] and again in December 2025, in an article on enterprise blockchain adoption.[3]

Notable clients and projects

LimeChain's clients have included Procter & Gamble, which used the company to implement smart contracts for its claims management system,[18] and IMVU, whose in-game token developed by LimeChain received a no-action letter from the U.S. Securities and Exchange Commission in 2020.[19][20] The company also built Project Diamond, an institutional digital asset platform for Coinbase Asset Management, deployed within the Abu Dhabi Global Market regulatory sandbox.[3]

Services and Technology

LimeChain's work covers both public blockchain networks and enterprise environments.[21] Technical contributions have included smart contract systems, cross-chain bridges, and zero-knowledge proof research.[2][22] According to Forbes, the company's enterprise approach emphasizes audit, compliance, and integration as part of blockchain deployments for institutional clients.[3]

Ecosystem Contributions

LimeChain has contributed open-source software and infrastructure to several blockchain networks.[2][5]

Ecosystem Description Type
Ethereum/Layer 2 RollupCodes, a public reference tool for comparing Ethereum scaling technologies;[23] research funded by grants from StarkWare and Arbitrum Developer tooling
Hedera Hashgraph Built components of Hedera's token and developer services; co-built Hashport, a bridge allowing assets to move between the Hedera, Ethereum, and Polygon networks[24][25] Protocol development
Polkadot Fruzhin, an alternative implementation of the Polkadot network software written in Java, funded by the Polkadot Pioneers Prize;[26][27][28] additional Web3 Foundation grants for protocol research Protocol development
The Graph Matchstick, an open-source testing tool for developers building on The Graph data indexing protocol, later adopted into the project's official documentation[29][30] Developer tooling
EBSI Part of an EU-funded Bulgarian consortium that built the country's node of the European Blockchain Services Infrastructure, working on digital identity verification[31][32] Integration

LimeAcademy

LimeAcademy originated in 2018 as a blockchain developer training initiative created by LimeChain in partnership with Telerik Academy.[33][34] In 2021, LimeChain relaunched LimeAcademy as a standalone program for training experienced software developers in blockchain development.[5]

Industry Affiliations and Recognition

LimeChain is a member of the Linux Foundation and a Hyperledger Fabric Certified Service Provider.[8] A LimeChain co-founder served as a maintainer of the Baseline Protocol, an open-source enterprise synchronization initiative under the Ethereum OASIS Open Project, and the company developed a proof-of-concept integrating Google Sheets with Microsoft Dynamics 365 using the protocol.[35] The company has received grants from the Web3 Foundation,[26] the Arbitrum Foundation,[36] and StarkWare, which named LimeChain the first recipient of its $1 million OP_CAT Research Fund in 2024.[37] LimeChain co-founded BuildRooms, a Web3 hub in Bulgaria.[38]

A co-founder is a member of the Endeavor global entrepreneur network.[17] In 2021, LimeChain team member Zhivko Todorov was named to the Forbes Bulgaria 30 Under 30 list in the Business category.[39]

References

  1. ^ a b "B2B: Блокчейн за бизнеса". Capital.bg (in Bulgarian). September 7, 2018. Retrieved February 13, 2026.
  2. ^ a b c d Khan, Roomy (December 4, 2024). "2025 Crypto Golden Age: AI & Blockchain Unleashing Innovation". Forbes. Retrieved February 10, 2026.
  3. ^ a b c d e Guttman, Amy (December 15, 2025). "From Wild West To Wall Street: Blockchain Founders Redefine Trust". Forbes. Retrieved February 10, 2026.
  4. ^ a b "2024 EMEA Technology Fast 500" (PDF). Deloitte. 2024. Retrieved February 13, 2026.
  5. ^ a b c "Inside LimeChain: How a Sofia-Based Blockchain Pioneer Fosters Innovation with Global Impact". The Recursive. July 30, 2021. Retrieved February 13, 2026.
  6. ^ Kozbunarova, Alexandra (January 28, 2019). "Blockchain in Bulgaria: Everyone's Talking but Who's Really Doing it?". Trending Topics. Retrieved February 13, 2026.
  7. ^ Kholod, Daria (June 17, 2020). "10 of the most promising European blockchain startups to watch". EU-Startups. Retrieved February 10, 2026.
  8. ^ a b c Kozbunarova, Alexandra (January 22, 2020). "Bulgarian Blockchain Developer Limechain Joins IBM and Accenture In An Exclusive Hyperledger Club". Trending Topics. Retrieved February 10, 2026.
  9. ^ a b "Building the Web3 from Sofia. LimeChain tells us how". The Recursive. June 21, 2022. Retrieved February 13, 2026.
  10. ^ "Разширяваме компанията бавно, но целенасочено". Capital.bg (in Bulgarian). March 19, 2022. Retrieved February 13, 2026.
  11. ^ Kholod, Daria (February 26, 2021). "10 promising Bulgarian startups to watch in 2021". EU-Startups. Retrieved February 10, 2026.
  12. ^ "Николай Тодоров, Limechain: Web3 е естествена еволюция към притежаването и управлението на дигитални активи". Capital.bg (in Bulgarian). April 30, 2022. Retrieved February 13, 2026.
  13. ^ "Кой кой е в българския блокчейн". Capital.bg (in Bulgarian). September 9, 2022. Retrieved February 13, 2026.
  14. ^ "Николай Тодоров, Limechain: Новите проекти се забавят, но рецесията може и да ускори индустрията". Capital.bg (in Bulgarian). April 24, 2020. Retrieved February 13, 2026.
  15. ^ "Deloitte ranked 5 Bulgarian IT companies among the fastest growing in the region". Economic.bg. July 10, 2024. Retrieved February 10, 2026.
  16. ^ "Deloitte EMEA Technology Fast 500 2024 ranking brims with Turkish, CEE and SEE startups". Intellinews. June 9, 2025. Retrieved February 13, 2026.
  17. ^ a b "Nick Todorov". Endeavor Bulgaria. Retrieved February 13, 2026.
  18. ^ Cravath, Swaine & Moore LLP (2023). "Blockchain: United States - Country Comparative Guides". The Legal 500. Legalease Ltd. Retrieved February 11, 2026.
  19. ^ "IMVU, Inc". U.S. Securities and Exchange Commission. November 19, 2020. Retrieved February 13, 2026.
  20. ^ "IMVU launches in-game tokenized digital currency with SEC no action letter". Ledger Insights. January 14, 2021. Retrieved February 13, 2026.
  21. ^ "5 promising European startups helping your team to use automated and smart contracts". EU-Startups. October 16, 2020. Retrieved February 10, 2026.
  22. ^ Jonny Fry (November 29, 2021). "Finally! Legal clarification for smart contracts". CityAM. Retrieved February 11, 2026.
  23. ^ "LimeChain launches rollup.codes in effort to bolster rollup adoption". LimeChain. August 2, 2023. Retrieved February 13, 2026.
  24. ^ "Building from first principles with LimeChain". Hedera. Retrieved February 13, 2026.
  25. ^ "LimeChain Hashport Audit". Omniscia. Retrieved February 13, 2026.
  26. ^ a b "Polkadot Protocol Conformance Tests Research Proposal". Web3 Foundation Grants. Retrieved February 13, 2026.
  27. ^ "Fruzhin: Java implementation of the Polkadot Host". GitHub. Retrieved February 13, 2026.
  28. ^ "Polkadot Announced Fruzhin Host Implementation: Details". Crypto News Flash. September 28, 2023. Retrieved February 13, 2026.
  29. ^ "Matchstick: Unit testing framework for Subgraph development on The Graph protocol". GitHub. Retrieved February 13, 2026.
  30. ^ "Unit Testing Framework". Graph Codex (The Graph). Retrieved February 13, 2026.
  31. ^ "A Bulgarian consortia deploys the first use cases on EBSI". Trending Topics. December 9, 2021. Retrieved February 13, 2026.
  32. ^ "Български компании ще разработват Европейската блокчейн инфраструктура". Capital.bg (in Bulgarian). September 7, 2021. Retrieved February 13, 2026.
  33. ^ Panchev, Krum (July 10, 2019). "Telerik Academy's Take On Ethereum Developers Shortage". Trending Topics. Retrieved February 10, 2026.
  34. ^ "Телерик Академия ще обучава по блокчейн и етериум". TechNews.bg (in Bulgarian). September 14, 2018. Retrieved February 13, 2026.
  35. ^ "Baseline Integrates Microsoft and Google Spreadsheets Using Ethereum Mainnet". Cointelegraph. June 9, 2020. Retrieved February 13, 2026.
  36. ^ "Arbitrum Foundation Grants: Accepted Projects". Arbitrum Hub. Retrieved February 13, 2026.
  37. ^ "Starknet's Monthly Roundup: September 2024". Starknet. 2024. Retrieved February 13, 2026.
  38. ^ "Buildrooms: Web3 вече не е експеримент -- той е индустрия". Business Novinite (bTV) (in Bulgarian). September 19, 2025. Retrieved February 13, 2026.
  39. ^ "Живко Тодоров (Zhivko Todorov)". Forbes Bulgaria (in Bulgarian). 2021. Retrieved February 10, 2026.

See also

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