Abstract Small and medium-sized users with distributed generators or flexible demand response resources desire to participate in market transactions solely, rather than aggregated by aggregators. The commonly used decentralized bookkeeping mode, blockchain-based trading schemes can now realize uniform clearing of decentralized transactions with the help of smart contracts. However, there are still risks of excessive disclosure of information and privacy leakage caused by incomplete decentralization. To solve this problem, we propose a decentralized optimization-based market clearing model, which can be applied on blockchain. The model has three advantages: ① limited access to the consumers’ or generators’ private data, ② convenient calculation methods that can be deployed on the smart contract and ③ pure decentralization to realize transparent on-chain market clearing. Moreover, considering the insufficient throughput of the existing blockchain, a blockchain network, which can process the quotation calculation in parallel with various sub-chains, is also designed to support the proposed market clearing model. Finally, the effectiveness of proposed models is validated and tested on the Ethereum private blockchain.

中文翻译：

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区块链网络环境下隐私保护的去中心化能源交易方案设计

摘要 拥有分布式发电机或灵活需求响应资源的中小型用户希望单独参与市场交易，而不是由聚合器聚合。常用的去中心化记账模式，基于区块链的交易方案现在可以借助智能合约实现去中心化交易的统一清算。但是，仍然存在因去中心化不完全而导致信息过度披露和隐私泄露的风险。为了解决这个问题，我们提出了一种基于去中心化优化的市场清算模型，该模型可以应用于区块链。该模型具有三个优点： ① 限制访问消费者或生成者的私人数据，② 可部署在智能合约上的便捷计算方式 ③ 纯去中心化，实现透明的链上市场清算。此外，考虑到现有区块链的吞吐量不足，还设计了一个可以与各个子链并行处理报价计算的区块链网络，以支持所提出的市场清算模型。最后，在以太坊私有区块链上验证和测试了所提出模型的有效性。