Tencent Technology (shenzhen) Company Limited

Tencent Technology Company Limited

Hu Lan

Zongyou Wang

Yifang Shi

Maocai Li

Gengliang Zhu

Kaiban Zhou

Li Kong

Qucheng Liu

Pan Liu

Jinsong Zhang

Huankun Huang

Changqing Yang

Zhiyong Liao

Mao Cai Li

Zong You Wang

Jin Zhang

Kai Zhou

Yong Ding

Qiuping Chen

Yi Fang Shi

Chang Qing Yang

Qu Cheng Liu

Geng Liang Zhu

Qiu Ping Chen

Peng Wang

Jun Liang

Haitao Tu

Qing Qin

Jun Zang

Zimin Chen

Hanqing Liu

Jiahui Cui

Jian Zhang

Ming Liu

Rui Guo

Jianjun Zhang

Hui Zhang

Tao Wang

Chao Wang

Hu Chen

Yang Mo

Yang Lu

Kaixuan Nie

Jin Long Chen

Zi Chao Tang

Zichao Tang

Luohai Zheng

Hujia Chen

Yige Cai

Yi Ge Cai

Yangjun Huang

Jinlong Chen

Junjie Shi

Chuanbing Dai

Yubin Song

Zhigang Lu

Lisen Li

Tao Fan

Zuodong Liang

Guihong Huang

Shihao She

Shitao Xu

Yongjia Xue

Yongjing Li

Bo Qin

Chaojie Qi

Like Shu

Qui Ping Chen

Chuan Bing Dai

Jun Jie Shi

Luo Hai Zheng

Yingjie Guo

Block-chain-based data processing method includes acquiring, by a transaction processing node, transaction data for validation, and performing validation processing on the transaction data to obtain a validation processing result; in response to the validation processing result of the transaction data for validation being a validated-as-valid result, adding the transaction data to a transaction pool; in response to a transaction packing request transmitted by a block processing node being received, acquiring at least one transaction data from the transaction pool according to the transaction packing request, hardware device resources of the transaction processing node and the block processing node being independent from each other; and performing packing processing on the at least one transaction data to obtain a transaction data packet, and transmitting the transaction data packet to the block processing node to generate a proposed block according to the at least one transaction data in the transaction data packet.

Block-chain-based data processing method, computer device, computer-readable storage medium

This application provide a data management method performed at a blockchain system. The system includes an accounting node sub-network and a service node sub-network. The method includes: generating a first data block in the accounting node sub-network; adding first key information to a block header of the first data block; adding signature corresponding to the first data block to the block header of the first data block; and releasing the block header of the first data block to the service node sub-network. The service node sub-network is configured to verify the signature comprised in the block header of the first data block, and obtain the first key information after a successful verification.

Data management method and apparatus for blockchain system, medium, and electronic device

A data processing method and apparatus based on a node internal memory, a device and a computer readable storage medium are provided. The method includes: acquiring a data reading contract associated with a transaction in a first block from a chain reading cache of the node internal memory; invoking the data reading contract to acquire a write cache mapping table associated with the first block, and determining target read data associated with the transaction based on a first block cache of the first block in the write cache mapping table; and executing the transaction based on the target read data, storing target cached data, corresponding to a result of executing of the transaction, to the first block cache, and writing the first block into a bifurcated blockchain.

Data processing method and apparatus based on node internal memory, device and medium

This application discloses a blockchain-based data processing method performed by a computer device. The method includes: determining a token identification in response to a resource reception request; calling a general callback function in a smart contract of a blockchain and determining M virtual resources having the token identification issued by an issuing object in the blockchain; acquiring a resource attribute of the M virtual resources and determining a token attribute corresponding to the token identification based on the resource attribute of the M virtual resources, the issuing object holding a target virtual resource in the M virtual resources, and the M being a positive integer; and determining a resource identification of the target virtual resource transferred to a receiving object based on the token attribute of the token identification, the resource identifications corresponding to different token attributes being different.

Blockchain-based data processing method and apparatus, device, storage medium, and program product

Embodiments of this application provide a data communication method performed by a computer device. The method includes: receiving a statistical proof transaction list in an associated block, and recognizing a target index of a lightweight node in the statistical proof transaction list, where the statistical proof transaction list includes a plurality of statistical proof transactions, and the statistical proof transactions are obtained by encrypting transaction visible addresses corresponding to the transactions included in the associated block, and the quantities of the transaction visible addresses in the associated block; receiving associated transactions associated with the lightweight node in the associated block, and an encrypted path set, where the encrypted path set includes encrypted paths of the associated transactions and an encrypted path of the statistical proof transaction list; and determining validity of the associated transactions according to the statistical proof transaction list, the target index, and the encrypted path set.

Data communication method and apparatus, computer device, and storage medium

A blockchain data processing method is performed by an electronic device. The method includes: packaging a local consensus transaction, a main chain binding height, and a main chain read dataset into a local consensus block; broadcasting the local consensus block to a local verification node, where the local verification node is configured to obtain obtaining a voting consensus result corresponding to a transaction execution result of the local consensus transaction when a synchronized block height is greater than or equal to the main chain binding height, and a synchronized read dataset is consistent with the main chain read dataset; and uploading, when determining that consensus is reached based on the voting consensus result returned by the local verification node, the local consensus block to a local consensus sub-chain corresponding to a local consensus network.

Blockchain data processing method, apparatus, and device, computer-readable storage medium, and computer program product

Embodiments of this disclosure disclose a data processing method and apparatus, a device, and a storage medium. The method includes: after receiving a block synchronization request carrying a target block height transmitted by a first service node, transmitting a compact block identification and the block synchronization request to a consensus node; the compact block identification being used for instructing the consensus node to determine structural information of a compact block corresponding to a block to be synchronized; searching for a local transaction identifier matching a target transaction identifier in a first relay cache; and in the first relay cache, taking local transaction data corresponding to the found local transaction identifier as first key transaction data, and performing data clearing on the first key transaction data successfully synchronized to the first service node.

Blockchain-based transaction data clearing after synchronization

A data processing method includes: detecting, when writing first block data into a local cache and a local storage, a first block processing space of a storage buffer pool; writing, when a number of block data to be stored does not reach a buffer block processing threshold, the first block data into the storage buffer pool based on N block data to be stored; detecting a second block processing space of a storage processing pool; and determining, when a number of block data to be fed back does not reach a feedback block processing threshold, block data to be merged for overlap detection with the block data to be fed back in the storage buffer pool based on the number of the block data to be fed back and the feedback block processing threshold, and writing the data retained after overlap detection to a distributed database.

Data processing method, apparatus, device and medium based on distributed storage

Aspects of the disclosure are directed to a method for use on a blockchain network that includes an accounting node subnetwork having accounting nodes configured to record a data block onto a blockchain and a service node having service nodes configured to verify data blocks recorded by the accounting nodes onto the blockchain. The method can include generating a signature based on transaction information to be included in a data block to be added onto the blockchain by using a key specific to the accounting node. The method can further include adding the transaction information and the generated signature to the data block and adding the data block onto the blockchain, and transmitting the signature to the service nodes in the service node subnetwork, so that the service nodes perform signature verification on the signature based on the key specific to the accounting node.

Separation of accounting node subnetwork and service node subnetwork

A data processing method includes: determining, in response to a request of an access terminal for writing target data to a blockchain, a target node role with a read permission for the target data, an access terminal connected with each node device having a permission of a node role corresponding to the node device; acquiring an encryption key corresponding to the target node role; performing encryption processing on the target data according to the encryption key to obtain a cipher text corresponding to the target data, the cipher text corresponding to the target data being decryptable for an access terminal corresponding to the target node role; and storing the cipher text corresponding to the target data to the blockchain.

Data processing method and apparatus for blockchain system

Data routing with a forwarding process of service data can avoid problems of offline nodes. The forwarding process for data routing can also improve the fault tolerance and service data can be quickly transmitted to a corresponding data pool. Using consensus nodes and a target data pool with routing and forwarding tables along with subtrees from a trie tree can improve the routing. Subtrees may be obtained by splitting the trie tree from a root node by using a first leaf node as a benchmark, which correspondingly represents a data pool of the consensus node. The routing and forwarding table is configured to record addresses of data pools correspondingly represented by a preset quantity of leaf nodes in a corresponding subtree.

Data routing method and related apparatus

A method and device for issuing an identity certificate to a blockchain node in a blockchain network includes issuing a first identity certificate to a first terminal. a second identity certificate issuance request that is from the first terminal and that is made by using the first identity certificate is received and a second identity certificate is issued to the first terminal, which forwards the second identity certificate to a second terminal. A third identity certificate issuance request that is from the second terminal and that is made by using the second identity certificate is received and a third identity certificate is issued to the second terminal, which forwards the third identity certificate to a third terminal.

Method for issuing identity certificate to blockchain node and related apparatus

A data processing method includes: transmitting, by a first service node, service data information to a second service node, so that the second service node obtains data signature information; a first key parameter and a second key parameter that are both related to a random parameter; the random parameter being determined by the second service node based on a node private key and the service data information; performing signature verification on the received data signature information based on the first key parameter and the second key parameter, and adding a signature verification result obtained after signature verification to a verification result set; searching for a target signature verification result that satisfies a valid verification condition from the verification result set; and performing aggregate signature on the data signature information obtained after calculation when a quantity of signatures of the target signature verification result satisfies an aggregate signature condition.

Data processing method and apparatus, device, and storage medium

A blockchain-based data processing method, device, and a computer-readable storage medium are provided. A first resource acquisition request of an object identification is transmitted for a target virtual resource to a blockchain network to make the blockchain network query a target ticket identification associated with the object identification and the target virtual resource based on the first resource acquisition request. Metadata is acquired having a binding relationship with the target ticket identification. The target ticket identification is used for characterizing that the object identification has ownership of the target virtual resource. The target virtual resource is acquired according to the metadata returned by the blockchain network. The target virtual resource is controlled to perform an interaction output in response to a triggering operation for interacting with the target virtual resource.

Blockchain-based data processing method and device and readable storage medium

Embodiments of this application provide a synchronization processing method, apparatus, and device, and a medium. The method includes obtaining a skeleton set and a synchronization task set, the skeleton set being used for storing M blocks to be synchronized by the first node device, the skeleton set comprising P skeletons, the synchronization task set comprising P synchronization tasks, the P skeletons being of a one-to-one correspondence to the P synchronization tasks, and M and P both being positive integers; selecting a second node device from the candidate node set, the second node device being a candidate node device in the candidate node set; concurrently transmitting synchronization tasks in the synchronization task set to the second node device, the second node device performing the synchronization tasks and returning the M blocks; and filling the M blocks into the skeletons in the skeleton set.

Synchronization processing method and related apparatus

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Shenzhen, China

Hu Lan