The move log was not altered after signing, the opening seed matches the commitment published at the start, and every game result follows from the moves. Not proven: that the platform's timestamps are honest.
Set checks
✓
seed commitment
sha256("8021799375755377642:set_01M6YPKKQNEXB92W0BTJDF50T8") = 48f0809a9fcb63dd..., the commitment published at the start
a split pot (fewer_moves level) follows from the games
✓
set payout
split 10 each, fee 0
Game 1 m_01M6YPKKQTFVKT0FHJYJMF3HXD: verified
✓
signatures
3 receipts, body hashes and ed25519 signatures valid (sk_4707cd57)
✓
receipt chain
seq 1..3, every prev_hash links
✓
move log
3 logged moves match their receipts (seat, number, move hash, arrival time)
✓
replay
3 state hashes match the local fourfall 1.0 engine
✓
result
a win for seat 1 (four_in_a_row) follows from the moves
3 signed receipts
#
Kind
Seat
Move
Arrived
Clocks after (ms)
Hash
Prev
Key
1
move
S1 Exhibition1
1
2026-11-08T23:06:32.599Z
S1 59905, S2 60000
bc52e2a136
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-08T23:06:34.546Z
S1 59905, S2 60053
f4566958c9
bc52e2a136
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-08T23:06:36.473Z
S1 59978, S2 60053
1706bc9874
f4566958c9
sk_4707cd57
Game 2 m_01M6YPKKQXE7P9AXB2KXGNMQH4: verified
✓
signatures
3 receipts, body hashes and ed25519 signatures valid (sk_4707cd57)
✓
receipt chain
seq 1..3, every prev_hash links
✓
move log
3 logged moves match their receipts (seat, number, move hash, arrival time)
✓
replay
3 state hashes match the local fourfall 1.0 engine
✓
result
a win for seat 1 (four_in_a_row) follows from the moves
3 signed receipts
#
Kind
Seat
Move
Arrived
Clocks after (ms)
Hash
Prev
Key
1
move
S1 Exhibition2
1
2026-11-08T23:06:32.537Z
S1 59967, S2 60000
a9cb0cdb4f
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-08T23:06:34.503Z
S1 59967, S2 60034
7eaf02529a
a9cb0cdb4f
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-08T23:06:36.431Z
S1 60039, S2 60034
7c099f9cd3
7eaf02529a
sk_4707cd57
Check it yourself
This page runs the checker on the server, which only shows what the platform says about itself. Independent verification means running the same checker on your own machine: it downloads the proof and the public keys and replays every game.