bitcastle Snapshot
Singapore-based exchange with earn products for stablecoins, BTC and ETH.
Pros
- Supports fixed-term Earn plans for several major assets.
- The subscription screen shows the term and estimated maturity value.
- Principal and rewards are returned to the exchange balance at maturity.
Cons
- Early redemption can forfeit all accumulated rewards.
- Public information does not clearly explain the source of Earn returns.
- Several major jurisdictions are restricted despite the current worldwide CMS label.
Earn Rates
Review Yield data below to understand the source of these returns. Click plus to reveal more rate-specific requirements.
- BTC Bitcoin
- 3.5 - 5% APY
LendingShow rate requirements
365-day lockup - ETH Ethereum
- 3.5 - 5% APY
LendingShow rate requirements
365-day lockup
Stablecoins are not FDIC insured and earning yield requires lending, deploying or other activities, which involves risk.


Trading Fees
- Maker Fee
- 0.02%
- Taker Fee
- 0.06%
Report inaccurate data for bitcastle
bitcastle Calculator
Estimates are based on bitcastle current APY. Rates are subject to change.
bitcastle Yield Scorecard
Yield Mechanics
- Exchange
- Internal Exchange BusinessYield paid from the platform's operational revenue, including trading fees, market-making spreads, and interest charged to margin traders.
Risk & Custody
- Custody Model
- Custodial / Third Party
- Track Record
- Operational since 2019
Yield methods listed are based on best known platform data. Please note that a single platform may utilize different methods depending on the specific asset, product, or jurisdiction. Platforms may also update their yield strategies at any time.
bitcastle Review
Quick take
bitcastle Earn offers fixed-term plans for major cryptocurrencies and stablecoins. The appeal is straightforward: choose an asset and term, move funds into the Earn Wallet, and receive the stated return at maturity. The important tradeoff is early redemption. Leaving before the term ends can forfeit the entire reward, and the current product terms and rates are difficult to verify without signing in.
How earning works
You subscribe to an available Earn product and transfer the required asset from the Spot Wallet to the Earn Wallet. The platform holds the balance for the selected term and credits principal plus the stated reward when the plan matures. Existing CIR data shows terms ranging from short plans to a full year, but the active selection should be confirmed in the account.
This is an exchange-funded Earn product, not native staking for BTC or stablecoins. bitcastle does not clearly explain on its public pages whether each return comes from lending, trading activity, a promotional budget, or another source. Before subscribing, you can compare crypto interest rates and compare stablecoin interest rates.
Rates, fees, and requirements
Rates depend on the asset and term. Longer plans may show a higher annualized rate, but the dollar result still depends on the token’s price and whether you remain to maturity. Check the minimum, maximum, subscription deadline, payout date, and early-exit rule on the confirmation screen.
Identity verification and regional restrictions apply. bitcastle’s support material lists the United States, Canada, United Kingdom, Australia, France, Japan, Singapore, Vietnam, and China among jurisdictions where crypto trading may be restricted. That conflicts with the existing “worldwide” CMS label and must be corrected after an account-level check.
Custody and key risks
bitcastle controls assets held in the Earn Wallet. You bear exchange failure, account-access, operational, and unclear yield-source risk. Fixed terms can prevent a timely sale, while an early exit can erase accumulated rewards. A high displayed rate should not be treated as evidence that the platform can sustain the offer.
Related features
The platform also offers spot and futures trading, copy trading, High & Low products, and promotional rewards. These features increase the number of ways funds can be used inside one account but do not reduce Earn custody risk.
Best for
Best for eligible customers who want a fixed-term exchange Earn plan and can leave the full balance untouched until maturity.
bitcastle FAQ
Is bitcastle available in the USA?
Yes, bitcastle is available in the USA.
Does bitcastle pay compound yield?
No, yield is not compounded at bitcastle.
How often do you receive payouts?
On maturity
Does bitcastle require a lockup period?
Yes, bitcastle has a lockup period of 14, 30, 180, 365 days.
Does bitcastle pay interest on Bitcoin?
Yes, bitcastle pays 3.5 - 5% APY on Bitcoin.
Does bitcastle pay interest on Ethereum?
Yes, bitcastle pays 3.5 - 5% APY on Ethereum.
Does bitcastle pay rewards on USDT?
Yes, bitcastle pays 3 - 8.5% APY on Tether (USDT).
What are bitcastle's withdrawal fees?
None
What are bitcastle's trading fees?
bitcastle lists a 0.02% maker fee and 0.06% taker fee.
When was bitcastle founded?
bitcastle was founded in 2019.
Where is bitcastle headquartered?
bitcastle is headquartered in Singapore.
Where is bitcastle available?
Worldwide
- Compounds
- No
- Payouts
- On maturity
- Withdraw Fees
- None
- Lockups
- 14, 30, 180, 365 days
- Founded
- 2019
- Headquarters
- Singapore
- Availability
- Worldwide


















