Dear Users:
To provide more futures trading options and enhance the trading experience, the ICOIN Futures platform will officially launch the HEI/USDT and KRB/USDT USDT-M Perpetual Contracts at 18:00 (UTC+8) on May 30, 2026. Among them, KRB/USDT will support leverage of up to 150x.
HEI/USDT Introduction:
Heima Network evolved from Litentry Network, which focuses on decentralized identity and privacy solutions. Building on this foundation, Heima expands its scope to address cross-chain asset management and multi-chain interoperability challenges.
KRB/USDT Introduction:
Karbo is a decentralized peer-to-peer exchange network and medium with no central administration or issuer. It ensures privacy and anonymity without intermediaries or regulators. Its unit of exchange is a cryptographically protected unit of information. These units are safeguarded against duplication and counterfeiting through blockchain technology.
More information about the above perpetual contract trading pairs is shown in the table below:
| HEI/USDT(Fee Rate:maker0.04%take0.04%） | ||||
| Contract Face Value：1 | Price Precision：0.00001 | |||
| Tier | Leverage | Maximum Position Nominal Value | Maintenance Margin Rate | Maximum Initial Margin |
| 1 | 25 | 25000 | 3.00% | 1000 |
| 2 | 20 | 50000 | 3.75% | 2500 |
| 3 | 15 | 75000 | 5.00% | 5000 |
| 4 | 10 | 100000 | 7.50% | 10000 |
| 5 | 5 | 250000 | 10.00% | 50000 |
| 6 | 4 | 500000 | 12.50% | 125000 |
| 7 | 2 | 1000000 | 25.00% | 500000 |
| 8 | 1 | 15000000 | 50.00% | 15000000 |
| KRB/USDT(Fee Rate:maker0.04%take0.04%） | ||||
| Contract Face Value：0.1 | Price Precision：0.0001 | |||
| Tier | Leverage | Maximum Position Nominal Value | Maintenance Margin Rate | Maximum Initial Margin |
| 1 | 150 | 1500000 | 0.40% | 10000 |
| 2 | 125 | 3750000 | 0.48% | 30000 |
| 3 | 100 | 5000000 | 0.60% | 50000 |
| 4 | 50 | 7500000 | 1.00% | 150000 |
| 5 | 20 | 10000000 | 2.50% | 500000 |
| 6 | 10 | 15000000 | 5.00% | 1500000 |
| 7 | 5 | 25000000 | 10.00% | 5000000 |
| 8 | 4 | 40000000 | 12.50% | 10000000 |
| 9 | 2 | 60000000 | 25.00% | 30000000 |
| 10 | 1 | 500000000 | 50.00% | 500000000 |
For more contract details, please refer to: “Perpetual Contract Fee Rates and Maintenance Margin Tier Parameters Table (II)”
At that time, you may participate in trading through the ICOIN official website or App and seize market opportunities.
Risk Warning:
Based on market volatility and risk conditions, ICOIN may dynamically adjust important parameters of the above contracts, including but not limited to: tick size, maximum leverage, initial margin, maintenance margin ratio, etc.
Please pay close attention to platform announcements and manage your trading risks appropriately. Thank you for your support and trust in ICOIN!
ICOIN Team
May 30, 2026
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