Let's talk about Hal Finney.
As early as 2004, Hal Finney had already proposed the Reusable Proof of Work (RPOW) system.
One point worth thinking about: Hal Finney's story shows that Bitcoin didn't come out of nowhere—the cryptography community had been experimenting with electronic cash for many years before then.
When reading about Bitcoin's history, prioritize primary sources and don't believe stories circulating online.
Here's a price at the end: $BTC is quoted at 75868.92, 24h +0.2%.
As early as 2004, Hal Finney had already proposed the Reusable Proof of Work (RPOW) system.
One point worth thinking about: Hal Finney's story shows that Bitcoin didn't come out of nowhere—the cryptography community had been experimenting with electronic cash for many years before then.
When reading about Bitcoin's history, prioritize primary sources and don't believe stories circulating online.
Here's a price at the end: $BTC is quoted at 75868.92, 24h +0.2%.