BlackRock, Coinbase and MicroStrategy prepare for scary 'Q-Day'

Bitcoin is running out of time. By 2030, "Q-Day" could arrive, allowing quantum computers to crack the cryptography we trust. Right now, 6.9 million BTC—a full third of the entire supply—is sitting in vulnerable addresses waiting to be stolen. Even with Wall Street giants like BlackRock pouring millions into emergency defenses, the network may be too slow to protect $3 trillion in assets. Is Bitcoin’s fundamental security already obsolete, or can it outrun quantum reality?
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