jm+Stress Test Game: Guess the largest block! LEDIT: Post your guess on the largest block mined by Sep 2 12:00 UTC! Predictions end on Sep 2 9:00 UTC, 3 hours before the official end of the stress test!
https://whatsonchain.com/tx/6658f047d97105e14f3a0273b83fd55ac757b3e254c7b7d181d5075dcff313ff