Ark-0
Ark-0 is a test network for trying things out. It may be reset at any time.

Block 20623

Hash
00000099027cb6e28e07dfff5b7bc62eecb2f09b9008d9f1b945ad59a2e85782
Confirmations
20505
Time
2026-10-11 21:56:42 UTC
Median time
2026-10-11 21:48:30 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
a284f34b74847eafa36a00ff2e046adba5cf0dffad3c09ab893e23706c9848cc
Previous block
0000007531d10dabddea702d30fcedd5964f5f226cb30632951bafaf890d6e94
Next block
000000e22481c81d298bc6530d1f3960f34220cba48bacdd2bf7caa8c79ec941

ML-DSA-44 block signature (M2)

M2 is an experimental rule of this test network. From a height set in its build, a node that enforces M2 accepts a block only if, besides the classical signet signature, the block carries a valid ML-DSA-44 signature by the Ark-0 block key, in its coinbase's witness commitment output. This page shows that signature; it does not check it.

Block 20623 is at or above the activation height 20000: nodes that enforce M2 accept a block there only with a valid ML-DSA-44 block signature.

The node behind this site enforces M2 and holds this block, so its block signature passed the node's check.

Status
In the form M2 requires, followed by the signet solution push (the classical signature)
Signature
965340208486033c6c72566576728f7f… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
a284f34b7484…23706c9848cc coinbase1250