Bifrost (BFC) is the native cryptocurrency of the Bifrost ecosystem, a middleware multichain platform designed to facilitate the development of decentralized applications (DApps) across multiple blockchain protocols. The primary use of BFC tokens is to enable developers to access and utilize the resources of the Bifrost ecosystem, thereby minimizing gas fees when interacting with multiple blockchain protocols.

Here are the key ways BFC tokens are used:

1. Staking and Gas Fees: Developers need to stake a specific amount of BFC tokens to use the resources of the Bifrost ecosystem. The staked tokens are used to cover gas fees when interacting with multiple blockchain protocols, making it more cost-effective compared to using a single blockchain.

2. Payment for Services: BFC tokens serve as the legal tender within the Bifrost ecosystem, allowing developers to pay for services and resources provided by the platform.

3. Decentralized App Development: BFC tokens are used by developers to build and operate DApps on the Bifrost platform. The tokens are required to access the platform's resources and to pay for the services provided.

4. Interoperability: Bifrost enables seamless communication and data transfer between different blockchain networks. BFC tokens facilitate this interoperability by allowing developers to move assets and data across multiple blockchains.

5. Security and Governance: The Bifrost network is secured by a collection of experienced professionals who have governing and voting powers to ensure the platform's security and development. The protection of the platform is maintained through the collective efforts of these professionals.

In summary, BFC tokens are the backbone of the Bifrost ecosystem, enabling developers to build and operate DApps efficiently and securely across multiple blockchain protocols.

To store Bifrost (BFC) tokens, you have several options:

1. KuCoin Account: You can store your BFC tokens in your KuCoin account, which provides quick access to trading products like spot and futures trading, staking, and lending. KuCoin serves as the custodian of your crypto assets, ensuring their security.

2. Non-Custodial Wallets: For enhanced security and control, you can withdraw your BFC tokens to a non-custodial wallet. This grants you complete control over your private keys, ensuring that you are the only one with access to your tokens. You can use various types of wallets, including hardware wallets, Web3 wallets, or paper wallets.

3. Bifrost Wallet: You can also use the Bifrost Wallet, which is a multi-chain wallet supporting decentralized finance on Flare, Songbird, Ethereum, and other networks. This wallet allows you to store and manage your cryptocurrencies and NFTs securely.

4. Noone Wallet: Another option is the Noone Wallet, a free, multi-currency wallet that supports over 1200 coins and tokens. It is available on Web, Android, and iOS platforms and ensures the security of your private keys, which are stored locally on your device.

To buy Bifrost (BFC) tokens, you can follow these steps:

1. Create an account: Sign up on a cryptocurrency exchange that supports BFC, such as KuCoin, Gate.io, or Upbit. Provide your email address, mobile phone number, and country of residence, and create a strong password to secure your account.

2. Secure your account: Ensure stronger protection by setting up Google 2FA, anti-phishing code, and a trading password.

3. Verify your account: Verify your identity by entering your personal information and uploading a valid Photo ID.

4. Add a payment method: Add a credit/debit card or bank account to your exchange account after verification.

5. Buy BFC: Use your added payment method to purchase BFC tokens. You can also transfer assets to your exchange account and trade them for BFC.

6. Confirm purchase: Preview the transaction details and confirm your purchase.

Additionally, you can use other exchanges like Bithumb or CEX to buy BFC tokens. Make sure to follow the specific steps and guidelines for each exchange.