Inside the Quest at Colossus to Replace Visa and Mastercard With KYC-Less Crypto Cards


Joseph Delong’s desk looks less like a developer’s workstation these days and more like an electronics repair shop, littered with technology that crypto was pioneered to replace.

That’s because the veteran Ethereum developer and former SushiSwap CTO has accumulated what he describes as a “box of goodies” while building a stablecoin credit card network called Colossus—from point-of-sale test terminals to card readers and manufacturer sample books.

“Trying to get my hands on the hardware, it’s like this arcane knowledge that nobody could get access to,” Delong told Decrypt from his home office in San Antonio, Texas.

Consisting of four employees, the company expects its Ethereum layer-2 scaling network to debut in March, and it’s designed in a way that replaces traditional bank settlement with a sovereign credit card rail that treats users’ account addresses as their sole identity.

Colossus has raised $500,000 in pre-seed funding, according to documents shared with Decrypt. Those investments valued the startup at $10 million, Delong said.

In theory, Colossus will enable users to “burn their cards from their home,” but Delong acknowledged that building a service enabling anyone to pay for things with crypto while circumventing incumbents like Mastercard and Visa has been no easy task. And those efforts may present unforeseen hurdles.

Part of that has to do with disrupting longstanding relationships between businesses involved in the settlement process behind incumbent credit card networks, which weren’t built on the cypherpunk principles that Delong is committed to imbuing Colossus with.

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“Many of these entities don’t see this as a problem because they’ve established this relatively high-quality trust relationship over time,” he said. “They’re able to settle in between all these different banks on either promises or a little bit of collateral.”

In a traditional swipe, what’s known as an issuing bank serves as the primary gatekeeper, approving transactions after verifying balances and identities in line with know-your-customer (KYC) and anti-money laundering (AML) requirements.

Issuers fit into a chain of middlemen, which includes member associations like Mastercard and Visa that set their networks’ rules, processors that handle the technical messaging, and acquirers that manage relationships with merchants, such as Worldpay and Fiserv.

Colossus is designed to collapse this entire stack by vertically integrating the issuer, processor, and settlement network. Instead of needing a bank to approve the movement of deposits, the firm’s layer-2 network uses cryptographic signatures to instantly trigger stablecoin transfers. In theory, that means a reduction in overall fees.



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