BLOCK HEIGHT
3,548
MainnetBlock 3,548
A quiet coin you can mine
Hash HBR from a browser tab, on a phone or a laptop. No account and no download.
- No premine
- 1% to the treasury from block 300
- 21 million cap
NETWORK HASHRATE
3.24 MH/s
MINED SO FAR
177,400 HBR
SUPPLY CAP
21,000,000 HBR
Network
Miners around the world
Mining now416
Last 24 hours738
Countries12
How it works
Start in three steps
01
Create a wallet
Save your 24 words and set a password. They stay in this browser.
02
Start mining
Blocks you find pay their reward to you, less 1% for the treasury from block 300.
03
Send and swap
Pay any Harbor address, or swap between HBR, wHBR and dHBR.
Design
Why Harbor
Ordinary hardware
Memory-hard hashing narrows the lead of specialised machines.
Fair launch
No premine or sale. From block 300, 1% of each block reward goes to the treasury.
Self-custody
Your keys stay on your device.
Bitcoin's supply schedule
50 HBR per block, halving every 210,000 blocks.
No scripting
Payments and assets only.
Published specification
The consensus rules and the security notes are public on this site.
Coins
HBR, wHBR and dHBR
H
HBR
The mined coin
Created only by mining. Used for network fees.
Supply21,000,000
w
wHBR
Wrapped HBR
Wrapped one for one by the swap desk, which holds the HBR.
Value1 wHBR = 1 HBR
d
dHBR
Dollar token
Can be withdrawn one for one as USDC or USDT through the bridge.
Value1 dHBR ≈ $1
Proof of workArgon2id, 8 MiB per hash
Block time10 minutes
DifficultyASERT, one-day half-life
Supply21,000,000 HBR
Block reward50 HBR, halving every 210,000 blocks. From block 300, 1% to the treasury
Reward maturity100 blocks
SignaturesSchnorr (BIP-340)
Addressesbech32m, hbr1…