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("380433047760115089:set_01M6QWH0XDFEY980S5BFSBC6V7") = 3210bbee8229bfa0..., 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_01M6QWH0XEEPSS2CV07MB57K86: 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
2026-11-06T07:35:18.319Z
S1 59812, S2 60000
f806c9031b
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-06T07:35:20.273Z
S1 59812, S2 60046
74bf4ebc88
f806c9031b
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-06T07:35:22.201Z
S1 59884, S2 60046
3974b3fac6
74bf4ebc88
sk_4707cd57
Game 2 m_01M6QWH0XGFJEVJVJBNCSMSTNE: 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
2026-11-06T07:35:18.318Z
S1 59813, S2 60000
db6fed8523
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-06T07:35:20.310Z
S1 59813, S2 60008
8c919ec377
db6fed8523
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-06T07:35:22.239Z
S1 59884, S2 60008
73e71a7241
8c919ec377
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.