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

Block 21498

Hash
0000010d7ff5b795cf1311c8e9363c5f18dfd0cba4507b64d292b4d7f1ffa5c0
Confirmations
19155
Time
2026-10-12 22:15:11 UTC
Median time
2026-10-12 22:06:48 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
576906f84ca7beea2ae2816996471df96e7b37f2465b2da82b21e67a423e273e
Previous block
0000013535ec8ba859baa06d5b362e3bda3b79bf0f9f23d391cc1417f0263554
Next block
0000010a52b182dfb24849af42ce572e50502d5cad18b1a06cb89f1e71be06a8

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 21498 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
bd5b28dcbbd715b0377a269d9c6b264f… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
576906f84ca7…e67a423e273e coinbase1250