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USDT 
Bitcoin 
Ethereum 
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XRP 
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bitcastle
bitcastle is a global cryptocurrency exchange platform that offers a range of trading and earning opportunities for its users. Launched on July 11, 20...
Backpack
Backpack Exchange, is a fully regulated cryptocurrency exchange built by the team behind the Solana-native Backpack Wallet and the Mad Lads NFT collec...
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General
Platform
bitcastle 
Backpack 
Founded
bitcastle 2019
Backpack 2022
Headquarters
bitcastle Singapore
Backpack Tokyo, Japan
Availability
bitcastle Worldwide
Backpack Worldwide (lending unavailable in US, a few states restricted)
Fees & Financial
Bonus
bitcastle
Backpack
Token
bitcastle
Backpack
Compounding
bitcastle No
Backpack Yes
Payouts
bitcastle On maturity
Backpack
Fees
bitcastle None
Backpack
Lockup
bitcastle 14, 30, 180, 365 days
Backpack Unbonding period applies
Maker Fee
bitcastle 0.02
Backpack 0.08
Taker Fee
bitcastle 0.06
Backpack 0.1
Cryptocurrency Rates
BTC Rate
bitcastle 3.5%
Backpack 0.03%
BTC Max
bitcastle 5%
Backpack
ETH Rate
bitcastle 3.5%
Backpack 0.86%
ETH Max
bitcastle 5%
Backpack
Stablecoin Rate
bitcastle 3%
Backpack
bitcastle
Full Review →Unique Pros
- Supports stablecoins, BTC and ETH earn
- Running since 2019
Key Cons
- Modest rates vs other platforms
- Less widely known exchange
Backpack
Full Review →Unique Pros
- Fully regulated in multiple jurisdictions
- Solana-native with strong ecosystem
Key Cons
- Lending rates are dynamic and can be low
- Newer platform