Nuco

Nuco was a Toronto blockchain software company founded in 2016 by Matthew Spoke and colleagues from the blockchain team he had built inside Deloitte. It created Aion, a network for connecting independent blockchains, and handed that work to the non-profit Aion Foundation in 2018; the foundation rebranded as The Open Application Network in 2019.

BlockchainTorontoFounded 2016

The people

What they build

Aion — a network protocol for interoperability between independent blockchains

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Working at Nuco

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On the TechTO stage

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About

Nuco was the corporate entity behind Aion, a protocol designed to let separately operated blockchains pass data and value between each other. Matthew Spoke told the TechTO stage in October 2016 that he was a chartered accountant who had spent three years doing tax at Deloitte, built a blockchain practice there over two years, and resigned to start Nuco after investors told him they would not take him seriously until he did. He said he met his first angel investor two days later. Nuco launched the Aion framework in 2017 and mined the network's genesis block; TechCrunch covered it that August. In 2018 the work moved to the non-profit Aion Foundation, and in November 2019 that body rebranded as The Open Application Network, with AION remaining the network's asset. Nuco itself no longer operates under that name.

Backers

Not established from a primary source. Spoke said on the TechTO stage that Nuco had raised money and hired a team, and that he met his first angel investor two days after resigning from Deloitte, but named no investor.

Some figures are founder-stated, not independently confirmed

Quick answers

What did Nuco do?

It built Aion, a protocol intended to let independently operated blockchains connect to one another and move data and value between them. The company was based in Toronto and grew out of the blockchain practice its founders had built at Deloitte.

What happened to Nuco?

The work moved to the non-profit Aion Foundation in 2018, and in November 2019 that organisation rebranded as The Open Application Network. AION stayed on as the asset powering the network. Nuco no longer operates under its original name.

How did Matthew Spoke start the company?

He told the TechTO audience in October 2016 that he was a Deloitte tax accountant who pitched the firm's chief innovation officer on blockchain, spent two years building a team there, then resigned when investors said they would not fund him while he still had the job.

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Maintained by TechTO · facts sourced and dated · last reviewed Aug 29, 2026