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("4476991063392181679:set_01M6G3QM71FK4AB2M9B0V8KQ2G") = fd5fccde43960d52..., 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_01M6G3QM73E6K8M3W54FVRFXCR: 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
2026-11-03T07:07:19.199Z
S1 59880, S2 60000
ffe2a2e2b5
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-03T07:07:21.150Z
S1 59880, S2 60049
4b53a42e09
ffe2a2e2b5
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-03T07:07:23.092Z
S1 59938, S2 60049
3f7583eaf4
4b53a42e09
sk_4707cd57
Game 2 m_01M6G3QM75EVFRM6ZPG9EPEEP3: 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
2026-11-03T07:07:19.139Z
S1 59940, S2 60000
cb8cc1a1e0
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-03T07:07:21.104Z
S1 59940, S2 60035
cf65b7dbb8
cb8cc1a1e0
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-03T07:07:23.034Z
S1 60010, S2 60035
1c267cefb6
cf65b7dbb8
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.