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

Block 27623

Hash
000000ef73542bab26a3b7ecc8241b2c5db1ff39a0972c010f252952038c0290
Confirmations
13912
Time
2026-10-19 22:53:02 UTC
Median time
2026-10-19 22:45:11 UTC
Transactions
1
Size
2,772
Weight
10,980
Difficulty
0.0023644668
Bits
1e01a6ec
Merkle root
967f1b98c25e3a45c9985f6f0e89b71f24f87fb8ce549b82f0ab52abd6a8a132
Previous block
00000125d31810a2142fa3d260a73f50b93ffc3668ced25408260484240e86ff
Next block
000000ecec2db943c5f7fb2a4051fd8f1a1ee51967caeb1f32b9901fc10179cb

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 27623 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
d2e6a250fa3b0531a61e94d51c82e3c3… (2420 B)
Format version
0x01
Context string
SIGNET/PQBLOCK/EXP0
Block key the nodes require
SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions

txidInputsOutputsAmountFee
967f1b98c25e…52abd6a8a132 coinbase1250