Ken Shirriff's blog
Computer history, restoring vintage computers, IC reverse engineering, and whatever
Showing posts with label
bitcoin
.
Show all posts
Showing posts with label
bitcoin
.
Show all posts
Bitcoin mining on an Apollo Guidance Computer: 10.3 seconds per hash
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We've been restoring an Apollo Guidance Computer 1 . Now that we have the world's only working AGC, I decided to write some code for...
14 comments:
Bitcoin mining on a vintage Xerox Alto: very slow at 1.5 hashes/second
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I've been restoring a Xerox Alto minicomputer from the 1970s and figured it would be interesting to see if it could mine bitcoins. I cod...
20 comments:
How I added 6 characters to Unicode (and you can too)
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Edit (June 2018): Unicode 11 is released, containing the half stars. Now the wait for font support... Star characters (☆★) have long b...
15 comments:
Bitcoin mining on a 55 year old IBM 1401 mainframe: 80 seconds per hash
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Could an IBM mainframe from the 1960s mine Bitcoin? The idea seemed crazy, so I decided to find out. I implemented the Bitcoin hash algorith...
36 comments:
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