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

Block 28727

Hash
000000b9f5652ed407f6ae0a5130f9d9472de754ed563e6b8d67f08d5343355f
Confirmations
11569
Time
2026-10-21 04:50:58 UTC
Median time
2026-10-21 04:42:44 UTC
Transactions
3
Size
3,315
Weight
12,339
Difficulty
0.0021387367
Bits
1e01d38f
Merkle root
28882dd6630a472873e656ed2084efc1bd93f166863d8b80b7e8aec338f6c20f
Previous block
0000017ee12b3cb85aed5c7f401c833ea53d306d74d77e49347d8bfb1aca422d
Next block
000000451224713fd2aceee8a7f8bc6a9f61649610a016a5febefc5b010af6b9

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 28727 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
3918c53121531d83bb1e53a209858eb3… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
6e621d6ec08c…ffa50367ed69 coinbase1250.00000682
c5b04ebfacb8…87ffbf18af67 spends P2MR pays to P2MR110.999997420.00000258
da78fbc1991e…f4a4e633d634 pays to P2MR221.479867190.00000424