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

Block 29278

Hash
0000016ccceff143308ba1523f4d1fb2e0bdb2fb66f25ee7f6a7d8cd3cb6043c
Confirmations
11601
Time
2026-10-21 19:47:29 UTC
Median time
2026-10-21 19:39:43 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0021387367
Bits
1e01d38f
Merkle root
c0f5adc1cf5dc070e71e5de25b2f3dc67707bb8b94fb54f9947a722ad312dca1
Previous block
000000d036b687d98dece8cecc7967dfff3b318d3bc487b807053f788c0d5b8c
Next block
0000015487d181c8a6852dfba423fe8faaa5ad12868cb8ce65f0444ea337b4f9

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 29278 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
278d32a29d2e6e25d08f85885e80e6f3… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
c0f5adc1cf5d…722ad312dca1 coinbase1250