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

Block 21926

Hash
0000003f7854521edd316b7ce088d025a0be5819a6b8301366c42d275d416522
Confirmations
18552
Time
2026-10-13 10:11:30 UTC
Median time
2026-10-13 10:02:37 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
7278cb45ac9d2741356e2250a30b939809ebaa0a6f1429454b25f7733e2b0120
Previous block
0000001639f6442d78f10c9eef2a93bec643ae5667680124e8b8c4076986eb2c
Next block
00000120b45f1a28907b39b5ec6a916b2e82f0cd4cfb4f4fbd4dec18e5b538b4

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 21926 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
e84024d62a6a3f264a9cc93676a6aeb6… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
7278cb45ac9d…f7733e2b0120 coinbase1250