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USDB
Rewards are not yet live. This documentation is for preview purposes only.
USDB is a dollar-backed stablecoin on Spark. Hold USDB and earn 3.5-6% rewards paid in BTC daily.

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Why USDB

3.5-6% APY in BTC

Hold 10+ USDB and earn rewards paid in BTC daily.

Dollar Stability

No exposure to BTC volatility

Instant Settlement

Sub-second transfers on Spark

Zero Fees

Spark-to-Spark transfers are free

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How USDB is Backed

USDB is issued by Brale, a regulated US-based stablecoin issuer. Every USDB is fully backed 1:1 by:
US Treasury Bills
Short-term government securities
Cash Equivalents
Held at regulated financial institutions
USDB follows the same fully-reserved backing model as USDC and USDT. Users who onboard through Brale can redeem USDB for USD at a 1:1 ratio at any time.

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USDB vs Other Stablecoins

USDB
USDC
USDT
Chain
Spark (Bitcoin L2)
Ethereum, Solana, etc.
Ethereum, Tron, etc.
Settlement
Sub-second
Network dependent
Network dependent
Transfer fees
Free on Spark
Gas fees
Gas fees
BTC rewards
3.5-6% APY
No
No

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Token Details

Token Name
USDB
Decimals
6
Issuer
Brale
Token Address: btkn1xgrvjwey5ngcagvap2dzzvsy4uk8ua9x69k82dwvt5e7ef9drm9qztux87