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

Block 37665

Hash
000001ebbccd98c3cc223c99d25353f5bd405f8c44110a44f1b656dba891cefc
Confirmations
3997
Time
2026-10-31 04:34:15 UTC
Median time
2026-10-31 04:26:24 UTC
Transactions
1
Size
2,773
Weight
10,984
Difficulty
0.0016063508
Bits
1e026e85
Merkle root
782cfe3d7d23dbdd7e68d1f99fce3eba73928e420d5807360f924bbe4028d548
Previous block
00000204d8e818d19270ee04a424a2d362b970b9a11dd015a6daad2423734349
Next block
000000e6466392c89f13b440a7f9b6807bed226d0e64aef464442af181c79c3e

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 37665 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
2c3aa51a7f713fee30c9bd4ec2935fbb… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
782cfe3d7d23…4bbe4028d548 coinbase1250