QuarkChain (QKC) is the native token of the QuarkChain Network, a permissionless blockchain architecture that uses sharding technology to provide a scalable, flexible, and user-oriented infrastructure. The token serves several purposes within the ecosystem:

1. Medium of Exchange: QKC is used as a medium of exchange within the QuarkChain Network, facilitating transactions and interactions between participants.

2. Gas Fees: QKC is used to pay for gas fees, which are necessary for executing transactions and smart contracts on the network.

3. Cross-Shard Transactions: The token enables scalable cross-shard transactions, allowing seamless interactions between different shards within the network.

4. Incentives: QKC is distributed to the community as incentives to encourage positive contributions towards the system, such as mining and validating transactions.

5. Decentralized Finance (DeFi): The ERC-20 version of QKC can be traded on external exchanges and used in DeFi applications on Ethereum, expanding its utility beyond the native QuarkChain Network.

Overall, QKC plays a central role in the QuarkChain ecosystem, supporting its operations, scalability, and usability.

To store QuarkChain (QKC) tokens, you have two primary options:

Holding your QuarkChain (QKC) in your KuCoin account provides quick access to trading products such as spot and futures trading, staking, and lending. KuCoin serves as the custodian of your crypto assets, which means you do not need to manage your private keys. Ensure you set up a strong password and upgrade your security settings to prevent unauthorized access to your funds.

For enhanced security, you can withdraw your QuarkChain (QKC) to a non-custodial wallet. This grants you complete control over your private keys. You can use various types of wallets, including hardware wallets, Web3 wallets, or paper wallets. Be cautious to store your private keys securely, as losing them may result in the permanent loss of your QuarkChain (QKC).

Additionally, you can use free crypto wallet apps like Noone.io to create a QuarkChain address, send, and exchange over 1200+ coins and tokens directly.

To buy QuarkChain (QKC) tokens, follow these steps:

1. Choose an Exchange: Select a reputable cryptocurrency exchange that supports QuarkChain (QKC) trading. Some popular options include KuCoin, MEXC, Binance, and Kriptomat.

2. Create an Account: Sign up on the chosen exchange by providing your email address, phone number, and other required details. Verify your email address and identity to unlock the full potential of the platform.

3. Add Funds: Deposit funds into your account using a credit/debit card, bank transfer, or other accepted methods. Ensure you have sufficient funds to purchase the desired amount of QKC.

4. Buy QKC: Navigate to the QuarkChain (QKC) trading page, select the desired amount, and confirm your purchase. The QKC tokens will be credited to your account.

Additionally, consider the fees and trading costs associated with each exchange to ensure you get the best deal.