Block 19453

Hash

0000009ac9c490b34771f8078ceb6edd66a38763e78938ec66675b43aa137921

Confirmations

21555

Time

2026-10-10 13:24:49 UTC

Median time

2026-10-10 13:16:34 UTC

Transactions

1

Size

2,772

Weight

10,980

Difficulty

0.0035089589

Bits

1e011cfb

Merkle root

c25546211eca5d5954855c5aa13d97eb502e71ed9de7d74c9357127e6d76f0ff

Previous block

0000002dd736f6778ea8da80a26a56cd567186af68ee7a7c4014f6d3cf92b21a

Next block

0000007fe844eadb2e8052ee4733682ef7425ccf55c6fde1154a180e17c65d07

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 19453 is below the activation height 20000: nodes do not require this signature, and only log the result of checking it when run with -debug=validation. The block producer adds it from height 18000 on, so that nodes can check it before it is required.

Status

In the form M2 requires, followed by the signet solution push (the classical signature)

Signature

361f3c9b069946e34c1e0cc957e04407… (2420 B)

Format version

0x01

Context string

SIGNET/PQBLOCK/EXP0

Block key the nodes require

SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions