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HPB Confidential Payment Solution DCPP Officially Released

2 min readDec 20, 2021

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HPB has been paying close attention to the cutting-edge trends and exploration practices of blockchain technology. After continuous research and development and strict verification by the HPB technical team, the HPB confidential payment solution DCPP has now been delivered and successfully applied to HPB Wallet. Users can try out HPB’s confidential payment solution DCPP through HPB Wallet, and experience HPB’s unique confidential payment software and hardware solutions.

DCPP (Decentralized Confidential Payment Protocol) is a confidential payment solution that integrates hardware and software to achieve better efficiency and security. The software component is based on the smart contract named ZSC that is deployed at HPB blockchain. The hardware component is combined with the unique BOE acceleration chip of HPB, allowing the fast execution of zero-knowledge proof algorithms. DCPP provides confidential tokens with the ElGamal public key as an account, which serves as the carrier for HPB confidential transactions.

DCPP website: https://dcpp.io/

Product Features

Decentralization

DCPP is constructed in the form of a smart contract on HPB, no third-party management and completely decentralized.

Hardware Acceleration

Integrating HPB’s hardware acceleration, DCPP moves the verification component of zero-knowledge proof to a hardware chip, significantly improving the transaction processing.

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Confidentiality

The transaction balance and amount are encrypted. Only users who provide the zero-knowledge proof generated by the private key corresponding to the DCPP account can access the plaintext.

Low Gas Fee

Due to the complexity of zero-knowledge proof, confidential payment has been criticized for high transaction fees. DCPP transfers the verification process to hardware, greatly reducing the Gas consumption.

HPB Wallet

HPB wallet, in addition to the general wallet functions, integrates DCPP’s solution, thus providing a quick entrance to confidential payment services. At the same time, through the optimization of zero-knowledge verification, this wallet enjoys the advantages of lower transaction fees.

Download: https://www.hpb.io/wallet

Tutorial: https://github.com/hpb-project/dcpp-manual

Source Code: https://github.com/hpb-project

Community support is the greatest driving force for HPB’s continuous progress. Please feedback questions and suggestions in good time so that we can better improve DCPP and provide users with a more cutting-edge product experience.

About HPB
High Performance Blockchain (HPB) is a revolutionary permissionless blockchain architecture that combines HPB’s customized hardware Blockchain Offload Engine (BOE), with high-performance blockchain software, enabling unrivaled scalability.
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HPB Global
HPB Global

The official medium of the HPB Foundation