🚨 LAST DAY of the flash fundraising challenge! Day 16 of the #RunningBitcoinChallenge, presented by @f1989a96…bcaaf2c1 and Block, and it's your final chance to earn @edcd2055…0078e6da's book signed by @aa6c9c18…4890bd5a! Be among the first 21 people to raise $121, post your participation photo, tag us, and be entered to win! Let’s finish this strong for Hal and for everyone affected by ALS. 🧡