Vitalik Buterin warns QUANTUM COMPUTERS could threaten Bitcoin and Ethereum by 2028.

-> He said that there’s a 20% risk that quantum computers could break Bitcoin and Ethereum before 2030.
-> He urges post-quantum upgrades now, not later.
-> Ethereum is moving fast with a $1M prize, a special team, and account abstraction.
-> Bitcoin is slower due to its strict consensus process.

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