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

Block 21944

Hash
00000089623a716d0f5d2169059e92154ee8a323195d62e6e3423044f1e86733
Confirmations
18769
Time
2026-10-13 10:41:43 UTC
Median time
2026-10-13 10:33:20 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
9e0294d0e0039cc7f27ae6d5c3a4a172e0c9c6a6e08d4931104d32b9bdf90d1e
Previous block
00000090b93abb2d2a67ab486ec4d3822e16941a0780494366aeaf91edb2e560
Next block
000000a35f6dabf63e796538f610485108304d8da6045b7ba82c6a14050474b2

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 21944 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
20ca923a91fe04233545118a2c4e5bc8… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
9e0294d0e003…32b9bdf90d1e coinbase1250