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("7790939335746201125:set_01M7FWRC1XEFGVFH6FYBEW72VT") = c85ec700657fdca3..., 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_01M7FWRC21FT98VY5QC0ARS9KB: 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
2026-11-15T15:21:05.406Z
S1 59859, S2 60000
28af5f8ae3
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-15T15:21:07.375Z
S1 59859, S2 60031
6825800514
28af5f8ae3
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-15T15:21:09.308Z
S1 59926, S2 60031
25bc700bcb
6825800514
sk_4707cd57
Game 2 m_01M7FWRC24EBXTA9K9TMJHAAC6: 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
2026-11-15T15:21:05.403Z
S1 59862, S2 60000
1844824b51
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-15T15:21:07.376Z
S1 59862, S2 60027
7c97eddf88
1844824b51
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-15T15:21:09.322Z
S1 59916, S2 60027
c8f2dac98b
7c97eddf88
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.