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

Block 21610

Hash
000000364a2702459c30bd8dff8847fed20dfa32b4787299f20aed6616044ee2
Confirmations
19558
Time
2026-10-13 01:22:57 UTC
Median time
2026-10-13 01:14:35 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
228af94e6985b1fc96c6b46eb3bc11b59fab5a5165c7139aa8ba2871cbde6533
Previous block
0000003a92d9f06c7c4cd49b5885ff06be26fa6c4d0edc4ea1907ac7e932395d
Next block
000000630ab6c492f104ada179e2ac84988d8b66d267013b3ce7ec68a1109269

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 21610 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
65a186322a8b3975dd75772ab856919e… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
228af94e6985…2871cbde6533 coinbase1250