BLACKCOIN / PROTOCOL V4BRAND

BRAND & PRESS KIT

Assets, facts, and links — ready to list.

Everything an exchange, explorer, wallet, or publication needs to represent Blackcoin Protocol V4 correctly. Logos are provided as scalable SVG and transparent PNG. Please don’t recolor, rotate, or stretch the mark.

Logo

Blackcoin mark (approved v30.1.3)
Blackcoin Protocol V4 logo
Mark — 256px PNG (approved)The approved v30.1.3 mark. SHA-256 4ece922f5634… Preferred for all uses.Mark — SVG (vector)Legacy presentation — pending rebuild from the approved source.Logo lockup — SVGLegacy presentation — pending rebuild from the approved source.Mark — 512px PNGLegacy presentation — pending rebuild.Mark — 128px PNGLegacy presentation — pending rebuild.Mark — 64px PNGLegacy presentation — pending rebuild.Mark — 32px PNGLegacy presentation — pending rebuild.Avatar — 512px on navyLegacy presentation — pending rebuild.

Asset facts

Name
Blackcoin
Ticker
BLK
Protocol
Protocol V4 — Quantum Quasar
Current release
v30.1.3 (signed-source production)
Chain type
Native L1 — no token contract
Decimals
8 (1 BLK = 100,000,000 sats)
Base-layer consensus
Proof of Stake (PoS)
Gold Rush work lane
Argon2id transaction-carried shadow claims; not PoW blocks
Block time
64 seconds
Address formats
bech32 (HRP “blk”) and legacy Base58 (“B…”) — both remain valid under current consensus rules until the published final-lockout height; do not reject legacy addresses
Post-quantum
ML-DSA-44 (FIPS 204) migration path

Machine-readable version at /api/chain-params. Live supply at /api/supply/circulating (plain text) and /api/supply (JSON).

Palette

Obsidian#02040ABackground
Cyan#4DF4FFPrimary accent
Violet#9B67FFSecondary accent
Gold#FFC34DGold Rush PoW claim lane
Ink#F5F8FFForeground text
Amber#FFB75ACaution / notices