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

Block 21111

Hash
00000102354e4f4f21a1513beb9d29991f2a7bb5702bd9de456d355347871d72
Confirmations
19950
Time
2026-10-12 11:25:13 UTC
Median time
2026-10-12 11:17:23 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
19b869f5812244fcff38d2b4d9efdb90a2cb9792dca68a924eaf85ad8d64d4bb
Previous block
0000002b205cc65c9607c30ed2224cacaf383762337046a6f688d8a52797bdbe
Next block
000000ab0fbe305cdb3af247363c5326ae7010d5df6e182bc0343fe8b01d3be4

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 21111 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
fdb2ab7fecb15dff3425e6ac1135ecb2… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
19b869f58122…85ad8d64d4bb coinbase1250