What to know : Joe Lubin claims "blue chip" DeFi protocols are now as safe as traditional finance, arguing that global banks are "debasing" and becoming less secure. While bullish on Ethereum, Lubin expressed concern over Bitcoin’s "existential problem" regarding "Q Day" — the point at which quantum computers could potentially crack current encryption.
Consensys founder and CEO Joe Lubin claimed that decentralized finance (DeFi) is as safe as traditional finance during an interview at Consensus Hong Kong 2026.
Lubin told CNBC reporter Elaine Yu that "blue chip DeFi is very safe, [but] banks are debasing across the world and growing less safe. If you have situations like in the GFC [global financial crisis] where you see haircuts in Greece for example. People lose 25% of their purchasing power."
"DeFi is roughly as safe as traditional finance," he said before adding that in "2026 people are going to see a real break through in terms or DeFi."
Lubin had a contrasting view on bitcoin, alluding to "Q Day" as the day when "encryption can be challenged by quantum computers.
"Bitcoin potentially has an existential problem, it's reasonable to worry about that," he added.
"I personally think it's a long way off but I also think that AI is magic, and AI is going to supercharge many scientific and technological pursuits. Ethereum is going to be in great shape very soon, and the rest of the world is going to be a kind of Y2k situation," he said.
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