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

Block 25049

Hash
0000005a64b2e17eeb32cf57b4aabf63301566d67b8df6a0e0fba8be42c863bb
Confirmations
15043
Time
2026-10-16 23:59:20 UTC
Median time
2026-10-16 23:50:55 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0025748176
Bits
1e01845f
Merkle root
b4bc3e7333cb4266a37427dd6cf61a52d6988537fa7414d74036fdd2b6151d57
Previous block
0000000ff91e37e92e915761168de0e63f89d6a68884543b36c4bd82ccc8183e
Next block
00000159c77e8bd203a3a5acc8c9168d279e5417615d27c4f737d37e6782480f

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 25049 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
6fa0c79bbbb04430e3c18d7f45c321d9… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
b4bc3e7333cb…fdd2b6151d57 coinbase1250