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("5313195560091549690:set_01M6EJK1KKE5JBPGXVDGANWNDP") = c2a025a6fc596c26..., the commitment published at the start
a split pot (fewer_moves level) follows from the games
✓
set payout
split 20 each, fee 0
Game 1 m_01M6EJK1KNEQ4RBE34R6ARFEVT: 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
2026-11-02T16:48:29.002Z
S1 59727, S2 60000
b4a00358b7
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-02T16:48:30.942Z
S1 59727, S2 60060
c84099d5e8
b4a00358b7
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-02T16:48:32.878Z
S1 59791, S2 60060
3235f41d05
c84099d5e8
sk_4707cd57
Game 2 m_01M6EJK1KQEQKSN5E9W7DPYNV5: 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
2026-11-02T16:48:29.002Z
S1 59727, S2 60000
a5e0e64e2d
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-02T16:48:30.971Z
S1 59727, S2 60031
b16128b56d
a5e0e64e2d
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-02T16:48:32.928Z
S1 59770, S2 60031
b8c7527c6d
b16128b56d
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.