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

Block 25198

Hash
000000d919dfdd42a78596d6888cab5ff9d9221c87357fbfacb3950bf4b47fee
Confirmations
15435
Time
2026-10-17 04:01:24 UTC
Median time
2026-10-17 03:53:34 UTC
Transactions
2
Size
2,977
Weight
11,596
Difficulty
0.0025748176
Bits
1e01845f
Merkle root
bd347c5686cd90b646e627ca39c88ed6f03c028496443f60c9050513d8069c47
Previous block
0000007ed0a2c6caf7e9308cd5df16065cb7517d917f68f15bb9b2aaab16e438
Next block
000000dd431855965ea61b98a89456e20a34d67f37f0b722d00340c852b32e15

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 25198 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
79949016923888a170b0f3d05d078673… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
c46a307ce765…d1dc93339eee coinbase1250.0000031
3aab3d0e43fa…11462ccbc1fa pays to P2MR122.9998510.0000031