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

Block 25748

Hash
0000016b82e9b5638bd3dbe98f61aa6b91e2be064b28366ee191129adb58456c
Confirmations
16707
Time
2026-10-17 19:02:56 UTC
Median time
2026-10-17 18:54:45 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0025748176
Bits
1e01845f
Merkle root
19d2d0ee85bec162ac097e3df7f021d782f36918c437ef3f2fdc3eee353fa451
Previous block
000000e5465c4283ebad4bfdf62a777713a9fd0a4c6740a663d4227c17186cc7
Next block
00000175a523cfd4b29f81c51fd54851a4ec8d911f721f7ac6925f058145380a

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 25748 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
2552f2f4505fd2afedcee0e7e78ec86d… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
19d2d0ee85be…3eee353fa451 coinbase1250