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

Block 21470

Hash
00000037ea0cefe07ab695ef5b6dfa8721438cece8a3e6957e370e4359f91fe8
Confirmations
19963
Time
2026-10-12 21:28:36 UTC
Median time
2026-10-12 21:20:10 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0031405554
Bits
1e013e69
Merkle root
035438274ed4812e82af75c32b4f3a04b5801938c66e11e6d179493e021b6130
Previous block
000000874c4b59853f60d5e41f6f77ced85bd0707866550efda00f779efecce8
Next block
0000005d49109b0a8faed3a054afab5ef7e4f64035d1fdd9617732a991289f64

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 21470 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
393e87a150c57651b0ba3918814ece02… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
035438274ed4…493e021b6130 coinbase1250