Finance:Definitive Finance

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Short description: Company page for Definitive Finance


Definitive Finance (branded as Definitive) is a non-custodial cryptocurrency trading platform and API provider. Co-founded in 2022 by former Coinbase employees Jai Prasad, Dennis Qian, and Blake Arnold,[1][2] the company operates an onchain trading terminal used by institutional clients including hedge funds, OTC desks, and venture capital firms,[2] and a developer-facing application programming interface called Flash API that provides advanced trade execution to third-party applications, wallets, and AI agents across Ethereum Virtual Machine (EVM) compatible blockchains and Solana.[3]

History

Definitive Finance was co-founded in 2022 by Jai Prasad, Dennis Qian, and Blake Arnold, all former Coinbase product and engineering employees.[1][2] The company's beta launched in March 2024.[2]

In November 2023, Definitive raised $4.1 million in a seed funding round led by BlockTower Capital, with participation from Coinbase Ventures, Nascent, CMT Digital, and others.[1][4] The Block reported that the company was building an execution platform to automate decentralized finance trading tasks for institutional investors through a one-click interface, with co-founder Prasad citing yields of approximately 15% across DeFi vaults as a draw for institutional capital.[1] In 2024, the company shifted its focus from DeFi yield vault automation to trade execution, drawing on the founding team's experience building institutional trading systems at Coinbase and Tagomi.[1]

In May 2025, digital asset infrastructure provider BlockFills announced a partnership with Definitive to provide on-chain trade execution for BlockFills' institutional and venture capital clients. At the time of the announcement, Definitive reported more than 2.5 million transactions and $1.4 billion in notional volume in the preceding 12 months.[5] Institutional users of the platform include hedge fund Starkiller Capital and OTC desk BlockFills.[2][6]

In a November 2025 report, crypto research firm Tiger Research described Definitive as a platform used by more than 50 institutional clients, with cumulative trading volume in the billions of dollars.[2] The report detailed how hedge fund Starkiller Capital used Definitive's time-weighted average price execution to purchase $700,000 of AERO tokens, splitting the order into 678 trades and reportedly receiving 21.33% more tokens than available through OTC execution.[2]

In July 2026, the company publicly launched Flash API, a REST API enabling third-party developers to integrate advanced order types into their applications.[3] Matcha, a decentralized exchange aggregator operated by 0x Labs, subsequently integrated Flash API to add stop-loss, take-profit, and limit order types to its platform.[7] As of October 2026, the platform reported over $3.3 billion in cumulative notional trading volume and more than 107,000 registered users.[8]

Products

Trading terminal

Definitive operates a web-based and mobile trading terminal (available on iOS and Android) that provides access to onchain trading across multiple EVM-compatible blockchains and Solana.[9][6] The platform supports order types including market, limit, stop-loss, take-profit, time-weighted average price (TWAP), dollar-cost averaging (DCA), bracket, and cross-chain orders.[3][2]

The platform's smart order router aggregates liquidity from over 900 decentralized exchanges, on-chain liquidity pools, and professional market makers.[3] The router integrates 0x Labs' Swap API as part of its execution engine; according to 0x, the integration accounted for 20% of Definitive's trading volume in its first three weeks of operation.[7]

Flash API

Flash API is a REST-based application programming interface that allows wallets, trading applications, and autonomous AI agents to access Definitive's trade execution engine.[3] The API supports advanced order types through a single integration and handles transaction management including gas estimation, MEV protection, transaction simulation, and retry logic.[3] Third-party applications have integrated Flash API to offer advanced order types including limit, stop-loss, take-profit, and bracket orders within their own products.[7] The API also provides machine-readable documentation designed for integration with large language models and AI agent frameworks.[3]

Flash API supports configurable integrator fees, allowing third-party developers to set and collect their own trading fee on each transaction executed through their application.[3]

EDGE token

Definitive issues the EDGE utility token, which is listed on cryptocurrency exchanges including Coinbase, Kraken, and Crypto.com.[10] The token was listed on Coinbase on the first day of its token generation event.[2] EDGE token holders who stake their tokens receive trading fee rebates from the platform.[9]

Technology

Definitive uses an off-chain smart order router that aggregates pricing from on-chain decentralized exchanges and off-chain professional market makers, selecting execution routes based on available liquidity.[3][5] The router simulates trades before execution to verify quote accuracy and tracks drift between simulated and actual execution in real time, adjusting routing when discrepancies appear.[7]

The platform is non-custodial: user funds remain in the user's own wallet until trade execution, including for conditional order types that may remain open for extended periods.[3] Trades execute through proxy addresses rather than directly from the user's wallet, providing an additional layer of privacy.[6]

The company's smart contracts have been audited by blockchain security firms Zellic, OtterSec, and Cantina.[3]

See also

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 Chaparro, Frank (November 8, 2023). "A startup that wants to make DeFi less stressful for institutions raises $4.1 million". The Block. https://www.theblock.co/post/262189/a-startup-that-wants-to-make-defi-less-stressful-for-institutions-raises-4-1-million. 
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 Yoon, Ryan (November 11, 2025). "Definitive: 50+ Institutions' Choice for DeFi on Base and Beyond". Tiger Research. https://reports.tiger-research.com/p/definitive50-institutions-choice-eng. 
  3. ↑ 3.00 3.01 3.02 3.03 3.04 3.05 3.06 3.07 3.08 3.09 3.10 "Flash API Documentation". https://flash.definitive.fi/docs. 
  4. ↑ "Definitive 2026 Company Profile". PitchBook. https://pitchbook.com/profiles/company/539663-32. 
  5. ↑ 5.0 5.1 "BlockFills Integrates Definitive Finance's On-Chain Execution Platform to Expand Institutional Trading Capabilities". A-Team Insight. May 20, 2025. https://a-teaminsight.com/blog/blockfills-integrates-definitive-finances-on-chain-execution-platform-to-expand-institutional-trading-capabilities/. 
  6. ↑ 6.0 6.1 6.2 Soon, Debbie (September 23, 2025). "Multichain, gasless, 1-click trading with Definitive". Privy. https://www.privy.io/blog/multichain-gasless-1-click-trading-with-definitive. 
  7. ↑ 7.0 7.1 7.2 7.3 "Definitive brings advanced onchain execution to traders". 0x.org. https://0x.org/case-studies/definitive. 
  8. ↑ "Definitive Public Metrics Dashboard". https://metabase.definitive.fi/public/dashboard/80e43551-a7e9-4503-8ac5-d5697a4a3734. 
  9. ↑ 9.0 9.1 "Definitive – Trade Like A Pro". https://www.definitive.fi/. 
  10. ↑ "Definitive (EDGE)". CoinMarketCap. https://coinmarketcap.com/currencies/definitive/. 

References


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