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Quark Blockchain Wallet (QKPAY) is a digital currency wallet based on blockchain technology, featuring the following characteristics: Decentralization: The Quark Blockchain Wallet has no centralized management authority, allowing users to conduct peer-to-peer transactions directly without intermediaries. Security: Utilizing a public-private key cryptography system and encryption algorithms, it ensures the security of transactions and user privacy. Transparency: All transaction records are public, and anyone can query them, enhancing the transparency of transactions. Immutability: Once transaction data is written to the blockchain, it cannot be altered, ensuring the integrity and reliability of the data. Anonymity: Users can remain anonymous during transactions, using only public keys for identity verification without disclosing personal information. Global Reach: The Quark Blockchain Wallet is not restricted by geographical boundaries, enabling users to transact globally. Convenience: Users can transfer and make payments anytime and anywhere without waiting for bank working hours. Low Fees: Compared to traditional banking systems, the transaction fees of the Quark Blockchain Wallet are generally lower.