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

Block 37878

Hash
0000005fe9ec8b40e544880b86f3f2c068c2567eabf651cca4df61b9b0bd2315
Confirmations
3082
Time
2026-10-31 10:13:46 UTC
Median time
2026-10-31 10:05:52 UTC
Transactions
1
Size
2,773
Weight
10,984
Difficulty
0.0016063508
Bits
1e026e85
Merkle root
32f9ea49ed43201f8a3ebf9951d03303f5df24c6d4a9e483907504d6bb5e99d2
Previous block
0000018b44509accaf49903fe663e522012268cc9e23af95660efd0b0f4c03e5
Next block
000001048f91ded9b7f40a3d7500d52affb0d41eee0a4e51e1ad118a2a8bde49

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 37878 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
a9a52df5442baf9de4bb8c149348c428… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
32f9ea49ed43…04d6bb5e99d2 coinbase1250