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

Block 21795

Hash
000000b6509f166da4e11291df20bfbe7ed92e928730845486c7c36ccc2afe51
Confirmations
20250
Time
2026-10-13 06:33:11 UTC
Median time
2026-10-13 06:25:07 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
b3d37828e0c14cf7e51d17f1e95ab8255e172f71ba9d7051b010f6f579997307
Previous block
0000007f35d7ef332b329538950ad95b22a201c29f130ab573b2798a16a50766
Next block
00000101b94820e0d09558f550cfeaf0f0a5f6083be15e7021672e98b82bfeaf

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 21795 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
83c3724aaa916c716a6a0f6cb8ad3827… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
b3d37828e0c1…f6f579997307 coinbase1250