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

Block 25164

Hash
0000005df2bac476d49424e8ceda44c70c48c3aed7f746c85376f0d6892fcb45
Confirmations
16451
Time
2026-10-17 03:05:53 UTC
Median time
2026-10-17 02:57:48 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0025748176
Bits
1e01845f
Merkle root
f74bde723908b566db4e074a608fd19b1cfda8c9c9e5f141b7303e94e78c5476
Previous block
000000e10805867a008b2087c607f2a688eeba3a3f7ae4f80f7341a904c573b1
Next block
00000124c9a23c3e3b79dc2f7d2c7445c40cfe367eb223adc836f9193089fa7b

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 25164 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
9b5d627b97c410a9cee50bd23443b83f… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
f74bde723908…3e94e78c5476 coinbase1250