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

Block 27263

Hash
0000017261640e1859229126de8d8142cd13616a6a3f6218098b59f3fafe7a69
Confirmations
13326
Time
2026-10-19 13:09:34 UTC
Median time
2026-10-19 13:01:34 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0023644668
Bits
1e01a6ec
Merkle root
021092190dde245948f511d3b2ff967ed21b62060c056e82e725b7615ae7ada0
Previous block
00000033c0e1df48678957f4c7b07168f3a227c5671a04b590baf1ba82c1705f
Next block
00000040d93860a6d3b473cf7d5e979ac7cdc1aedd0e5327d0b045a6c6ded0ac

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 27263 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
f78a5681101dd6b78fca4ad12a196041… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
021092190dde…b7615ae7ada0 coinbase1250