Short pieces on wallets, addresses and how this stuff works under the hood.
October 16, 2026 — In 2010 you mined bitcoin on a normal desktop. Not as a hobby flex, as an actual way to accumulate coins. Then GPUs made CPUs pointless, FPGAs made GPUs a side project, and around ...
October 16, 2026 — Bitcoin's ledger is a public spreadsheet with aliases. Nobody writes your name next to the payment, but every input, output and amount is printed for anyone who wants to read. Give...
October 16, 2026 — A question that shows up constantly: I have an address from 2013, is it still good? Yes. Bitcoin addresses are not accounts with a bank behind them. An address is a public key expr...
October 19, 2026 — Half of all crypto confusion traces back to one physical object: a printed address. A paper wallet taped inside a drawer, a sticker on a laptop, the QR at a market stall. Paper out...
October 21, 2026 — Someone scans the code at your stall and two seconds later your phone buzzes. What actually happened in those two seconds is more interesting than it looks. Step one is optics, not...