HomeHacker News Show HN: Woodpecker, an unusual Zachtronics-inspired cryptography challenge https://ift.tt/Sd0snXP byHat hair -November 15, 2022 0 Show HN: Woodpecker, an unusual Zachtronics-inspired cryptography challenge https://ift.tt/qOg9HAS November 16, 2022 at 02:12AM Tags: Hacker News Facebook Twitter