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

Block 26557

Hash
00000172f5c9186066b7512abd72b08e42ebd89cb87e8c1c11ac33b499d73d5f
Confirmations
14328
Time
2026-10-18 17:56:55 UTC
Median time
2026-10-18 17:48:54 UTC
Transactions
5
Size
3,592
Weight
13,444
Difficulty
0.0023644668
Bits
1e01a6ec
Merkle root
a5fd3df25c4ddbc3d45db16876d6a915bf30ea1587ad5b6cb70655bddaf47cfb
Previous block
00000148a441137259a635857ea505630f205551895cfb9e37871e382b2b274c
Next block
0000012ca1b7263e8598cccc2163996e3882d05e9270dbfc446bdb191c50fc0e

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 26557 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
b121eca3caa940e2cbe31c4ec5f2e85f… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
fc85e044d480…ed019b1a2734 coinbase1250.0000124
89e40b954fda…d1727009f542 pays to P2MR1242.9999750.0000031
edcf99a44e69…2fd743af3a7c pays to P2MR1238.484046730.0000031
45e98864b085…ad3c11ce9fc2 pays to P2MR1245.99998430.0000031
6e90636e0fce…11f32d301cf3 pays to P2MR1240.99996880.0000031