I found 15 copies of a 6 character prefix on my 10 core Mac Studio in about 72 hours. But I didn’t find any 7 character prefixes in that same time.
On average you will find 1 hit on n+1 characters for every 32 hits on n.
That means you might have found one if you waited another ~80 hours.
That means you might have found one if you waited another ~80 hours.
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