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

Block 21277

Hash
000000e8290a80d1e222d9750fd255db4ad07c1301b724bbcb249eee34034b5a
Confirmations
19705
Time
2026-10-12 16:02:18 UTC
Median time
2026-10-12 15:53:59 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
7df64964341d371c13cf24e13987c1ad3f551575456c752feb340d2675f1b3da
Previous block
000000d52ac0201d27c186331a245b3f0a1ec2ed1fec48b8d8b5c28b0e30f6fc
Next block
00000077a4cac96415c55daf89876a280ad9e2b1f18d067770c79a86fc024729

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 21277 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
d4294aec5f93ddb3ed4999a934b89ca9… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
7df64964341d…0d2675f1b3da coinbase1250