HomeHacker News Show HN: I build a Bitcoin heater to keep my Nana warm https://ift.tt/31XomUU byHat hair -December 12, 2021 0 Show HN: I build a Bitcoin heater to keep my Nana warm https://ift.tt/3IT0jHI December 12, 2021 at 06:14PM Tags: Hacker News Facebook Twitter