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

Block 21185

Hash
0000002277c94abfbca021629ffd9726d5ff4c032f48be3fa355ecab7f11f8d9
Confirmations
19351
Time
2026-10-12 13:28:13 UTC
Median time
2026-10-12 13:20:03 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
b14e3829bf6119a11e1025fe108f0651719c8537911061a32361aa365f5a7580
Previous block
00000058def2f4cca11b3c7e348c35745f5b81000fcc97be9df5235a0ee4f2ca
Next block
00000071fb09a51737ed24f25d071d418fc8217191f3f8fe0f78c71bb48a4655

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 21185 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
4b6d7d6323d312b903cfbec5e5e971c6… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
b14e3829bf61…aa365f5a7580 coinbase1250