Block 19977

Hash

000000ff6a024c339817b14cb26a9ac595d07b8a9e0054dc5d59f58f77ec72cd

Confirmations

20788

Time

2026-10-11 04:01:58 UTC

Median time

2026-10-11 03:53:05 UTC

Transactions

2

Size

2,977

Weight

11,596

Difficulty

0.0035089589

Bits

1e011cfb

Merkle root

b71e3d9bd2fa63f07dbf8e198fbafd7cbb326e5e1eadd94a8242f4853b8be663

Previous block

000000aeaaca7901c2885a2709b645b0b14fac42de1e3b342bb43be98f4dbd86

Next block

0000009aa8182429dfb769a3297eddb8d822d10d6d3712df694b53f00fd64b29

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 19977 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

0a779981c57b814d226306318bef030e… (2420 B)

Format version

0x01

Context string

SIGNET/PQBLOCK/EXP0

Block key the nodes require

SHA-256 eee8548f51f25492de3ae430b7ce7ec549edfaa663b8f577f026ce0498fdd6ad

Transactions