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

Block 27554

Hash
00000091098327e4e9e079eff8c6a98e3d6a60ee6805732617d4e92c6e09ddf3
Confirmations
14655
Time
2026-10-19 21:01:56 UTC
Median time
2026-10-19 20:53:56 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0023644668
Bits
1e01a6ec
Merkle root
1b5f801ef8f215cfa1d8e4fc3355f055e14832ac78ce82f89b6d8e61ef60fdcc
Previous block
00000081e953132c801d8de54b449385f19007304aa46b3fd40c8d870b3a3590
Next block
0000003bf2d76e90add761b5296b3cad9d3a99e70a149a8bdbedfad0cbbcdd28

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 27554 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
9de9f7e2c6a28d76b20d1feae53ba706… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
1b5f801ef8f2…8e61ef60fdcc coinbase1250