In 2019, computer scientist Ken Shirriff programmed NASA's Apollo Guidance Computer (AGC) to mine Bitcoin, completing one hash every 10.3 seconds. At that time, the Bitcoin network's hashrate was about 65 exahashes per second (EH/s), making the AGC's mining speed extremely slow—requiring roughly a million times the age of the universe to find a block. By 2026, with the network's hashrate soaring to 934 EH/s, the AGC would now need about 13 million times the universe's age to mine a block, highlighting the vast growth in Bitcoin's mining power and difficulty. This demonstration underscores the massive computational scale behind Bitcoin mining today compared to historic computing technology.
NASA's Apollo Guidance Computer mining Bitcoin in 2019 is a striking historical note on computational limits. For readers following cryptocurrency markets, here is Pluang's market snapshot as of Sep 20, 2026 15:21 WIB: out of 50 major cryptocurrencies, 18 rose and 31 fell today. Notable movers include AAVE with a price of Rp2.425.593 and a 1-day change of -4.80%, UNI at Rp154.866 down 4.52%, and VET at Rp147 down 3.97%.
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