NodeXX to List XCSS/USDT Spot Trading Pair – NodeXX

Dear NodeXX Users,

NodeXX will officially list XCSS (Exchange Cubus Store Share) and open the XCSS/USDT spot trading pair at 20:00 on September 9, 2026 (UTC+8).

The schedule is as follows:

1. Listing Schedule

XCSS Deposits & Withdrawals	September 8, 2026, 20:00 (UTC+8)
XCSS/USDT Spot Trading	September 9, 2026, 20:00 (UTC+8)

2. About CSS and XCSS

2.1 CSS

CSS (Cubus Store Share) is an ecosystem rights certificate issued by Cubus based on a fully reserved asset mechanism.

The existing CSS minting mechanism remains unchanged. Users can mint CSS through the Spark Protocol at a fixed ratio of:

100 CSC = 1 CSS

CSC used to mint CSS will be deposited into an independent treasury as reserve assets backing CSS. CSS is primarily used across the Spark Pool, CSS staking, NFT utilities, and future applications within the Cubus ecosystem.

2.2 XCSS

To support the circulation of CSS in external markets as a standard ERC-20 asset, Cubus has introduced XCSS (Exchange Cubus Store Share) as the standard ERC-20 representation of CSS for external market circulation.

CSS and XCSS can be converted at a fixed ratio of:

1 CSS = 1 XCSS

When users convert CSS into XCSS, the corresponding amount of CSS will be deposited into the conversion contract, and XCSS will be issued at a 1:1 ratio. Each XCSS in circulation corresponds to one CSS held in the conversion contract, maintaining a clear and verifiable asset mapping relationship.

2.3 Asset Conversion Flow

The complete asset flow is as follows:

100 CSC → Mint 1 CSS → Convert 1:1 into 1 XCSS → Deposit XCSS to NodeXX for trading

In other words, users first mint CSS from CSC through the Spark Protocol, then convert CSS into XCSS at a 1:1 ratio, and finally deposit XCSS to NodeXX for spot trading.

Important Notice: NodeXX will support XCSS for deposits, withdrawals, and trading. CSS cannot be deposited directly to NodeXX. Before making a deposit, please carefully verify the token name, network, and contract address to avoid asset loss caused by depositing the wrong asset.

3. Token Information

Token Symbol: XCSS
Full Name: Exchange Cubus Store Share
Definition: Tradable Cubus Store Share Certificate
Network: BNB Smart Chain (BSC)
Contract Address: 0xcbbfE634c0aCf6406Acd2704D479806524Bf4f98
Conversion Ratio: 1 CSS = 1 XCSS
Trading Pair: XCSS/USDT

4. Risk Warning

Digital asset prices may fluctuate significantly due to market conditions, liquidity, and other factors. Please ensure that you fully understand the relationship between CSS and XCSS, the conversion mechanism, and the associated risks before trading. Make trading decisions based on your own risk tolerance.

When depositing XCSS, please verify the token name, network, and contract address on the official NodeXX deposit page. Losses caused by using the wrong network, depositing CSS instead of XCSS, or transferring unsupported assets may be irreversible.

Thank you for your continued support of NodeXX.

NodeXX Team

September 4, 2026

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