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

Block 21829

Hash
00000064d8b1d514575477b746abe3eaa220e138bc457526eea5b04d9e9e5da6
Confirmations
19550
Time
2026-10-13 07:28:52 UTC
Median time
2026-10-13 07:21:07 UTC
Transactions
1
Size
2,771
Weight
10,976
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
bed1cbff6cad2032eeec0925af8e7888d8c3fd2713ef1e67098c73c322f76633
Previous block
000001308248fd46eadd0b69ff7068eff70ca42f0614146ce7bb79904a2df763
Next block
0000006608ee5ba4d7f31d8c5901ac53f8440c39b1742cfe4889d0ca675508ff

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 21829 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
6ad359fc0aed1de412f5772e6c9b2cea… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
bed1cbff6cad…73c322f76633 coinbase1250