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

Block 27198

Hash
00000000515fdbd7b122701e22216788f5d805d4f770958d94c6b9390710c32e
Confirmations
13012
Time
2026-10-19 11:22:00 UTC
Median time
2026-10-19 11:13:46 UTC
Transactions
2
Size
6,663
Weight
15,153
Difficulty
0.0023644668
Bits
1e01a6ec
Merkle root
ffd7547470147e5614ecd91ab3809291b2277245e3f58394682cf36455698d65
Previous block
000000182aa764885d24abf5b5bf17b386e5e7eca8cf9e20941c615a25897bf4
Next block
00000169ab9123b2d81524498b5bc9c047d99a64573d7319a24b1f7b6afebccd

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 27198 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
227d3121109598bfcb869c7869140fe5… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
324c8be19b23…46074fc0139f coinbase1250.00002088
c9a6929f1d3b…44fff603a721 spends P2MR pays to P2MR110.999979120.00002088