Former executives at FanDuel have secured the largest seed round ever for a UK startup.

Blockchain-based BetDEX, based in Edinburgh, is billed as the world’s first decentralised sports betting protocol and is set to launch in the first half of next year.

The £17.6 million investment round was led by San Francisco-based crypto investment firm Paradigm and Bahamas-based cryptocurrency exchange FTX, which was recently valued at $25 billion after its own Series B-1 round was disclosed in October. 

Multicoin Capital, Hack VC, Lightspeed Venture Partners, Sino Global Capital, Solana Ventures and Everblue Management also participated in the round.

Former FanDuel co-founder and CEO Nigel Eccles becomes BetDEX’s non-executive chair, Varun Sudhakar is appointed CEO and Stuart Tonner takes up the CTO role. BetDEX plans to scale the business from a base in Scotland and is now hiring for a range of positions.

Eccles co-founded FanDuel in 2009, with the company going on to become Scotland’s first $1 billion dollar-valued startup before being acquired by Flutter in 2018. FanDuel is now estimated to be worth around $30bn. 

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Sudhakar, who began his career in investment banking in Silicon Valley, worked alongside Eccles in senior strategy and corporate development roles at FanDuel between 2015 and 2018, before going on to senior executive positions at other venture-backed startups in New York. 

Tonner was the first engineer hired by FanDuel, spending over eight years with the company, building the core FanDuel platform and scaling it to tens of millions of users.

“Blockchain technology is set to revolutionise sports betting and we want to be at the forefront of that,” said Eccles. “It’s exciting to be founding the business with Varun and Stuart, and to be building it in Scotland. 

“We are energised to have the backing and wealth of expertise that comes with having Paradigm and FTX as cornerstone investors.”

The firm says the huge sports betting industry is characterised by high fees and minimal product innovation. It aims to take the opposite approach, with a protocol built on public blockchain Solana, and will offer consumers extremely fast and low-cost trades, while eliminating counterparty risk. 

The protocol will be fully decentralized and open-sourced, allowing third parties to build their own applications and innovate on top of the platform. BetDEX plans to accept wagers in USDT, SOL and SAMO at launch.

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Sudhakar said: “The sports betting industry charges high prices for poor products and limits trades by its most successful users. BetDEX is diametrically opposed to this approach, we will successfully compete against incumbents with a markedly superior product and low fees, which is now possible with the advent of blockchain technology. Winners will always be welcome on our protocol.”

Sam Bankman-Fried, CEO and founder of FTX, said: “We are thrilled to be backing a team with deep industry expertise to transform the sports betting experience. 

“It is mind-boggling that more sports wagering does not occur on exchanges – we firmly believe in giving consumers the ability and control to set their own price and are excited to partner with BetDEX to bring this vision to fruition.”