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30results about How to "Improve block production efficiency" patented technology

Alliance chain consensus method introducing supervision mechanism, blockchain network and storage medium

ActiveCN111242619AAvoid problems such as governance difficultiesReduce daily work intensityPayment protocolsChain networkDistributed computing
The invention relates to the technical field of block chains, and particularly discloses an alliance chain consensus method introducing a supervision mechanism, a block chain network and a storage medium. The method includes: running an alliance chain network through a creation node, wherein the alliance chain network comprises a supervision account and alliance chain member accounts, and the decision right of the supervision account is greater than the sum of the decision rights of the alliance chain member accounts; activating a block output node of the alliance chain member account by obtaining votes of the supervision account; when the number of the activated block output nodes reaches a preset number, transferring the block output right of the alliance chain member node to the block output nodes controlled by the alliance chain member node respectively, and enabling each activated block output node to execute the block output right according to a preset rule. The problems of resource waste and low transaction throughput of a block chain system can be solved, the problems of difficult governance of an existing public chain and the like can also be avoided, meanwhile, the flexibility of actual operation is considered, and the method has very high application value and economic benefits.
Owner:YLZ INFORMATION TECH CO LTD +1

Multi-block output public chain consensus mechanism based on H-Algand

The invention discloses a multi-block output public chain consensus mechanism based on H-Algand. A mechanism firstly proposes a multi-block output public chain consensus mechanism MB-Algand, and a leader of the mechanism can achieve continuous block output, thereby effectively improving block output efficiency. Secondly, a public chain committee is attacked by DDOS;. An H-Algand mechanism integrating the advantages of Algand and MB-Algand is provided, so that an H-Algand mechanism integrating the advantages of Algand and MB-Algand is provided; the mechanism gives consideration to the performances of consensus efficiency and safety. Simulation comparison is carried out on an H-Algand mechanism and an Algand mechanism, and it is found that the consensus efficiency of the H-Algand mechanism can be effectively improved at the cost of sacrificing a small amount of security under the condition that the success rate of malicious attacks is 1%-4%.
Owner:GUILIN UNIV OF ELECTRONIC TECH

Block outputting method and device on block chain

The embodiment of the invention relates to a block outputting method and device on a block chain. The method comprises the following steps: generating a first block, and performing a first hash operation according to the first block to obtain a first hash value; sending a first hash value to other nodes in the plurality of block outputting nodes; determining first numerical values of the pluralityof block outputting nodes; selecting a specified number of first numerical values according to the sizes of the first numerical values of the plurality of block outputting nodes; performing a secondhash operation on the specified number of first numerical values to obtain a second hash value; and according to the second hash value and a preset random rule, selecting a second block outputting node from the plurality of verification nodes as a block outputting node of a second block, the second block being a next block of the first block. Therefore, the block outputting node can assign the next block outputting node, the assigned process has certain randomness and verifiability, the probability that the block chain is attacked successfully can be reduced, the block output efficiency of theblock chain node network is improved, and then the accounting efficiency is improved.
Owner:BEIJING AIMORECE TECH CO LTD

DPoS consensus method and device

The invention relates to a DPoS consensus method and device, and the method comprises the steps: enabling a block chain node to determine a block node group from alternative block node groups througha workload proof mode, wherein the block chain node is any one alternative block outlet node in the alternative block outlet node group; enabling the blockchain node to receive a transaction request sent by a client, wherein the transaction request comprises an initiator address, a receiver address, a transaction amount, a client signature and a timestamp; the block chain node sends the transaction request to any one block outlet node in the block outlet node group; and enabling the block outlet node to receive the transaction, so that the block outlet node verifies and passes the transaction,the verified transaction is placed in a transaction pool, the block outlet node packages the transaction in the transaction pool into blocks in a DPoS consensus mode, and the blocks are linked. On the basis that the decentration degree of the block chain is not reduced, the block output efficiency of the block chain can be improved, and the method and device are suitable for various data chainingscenes.
Owner:BEIJING AIMORECE TECH CO LTD

Block packaging method and device for multiple channels of blockchain, and storage medium

The invention relates to a block packaging method and device for multiple channels of a blockchain, and a storage medium. The method comprises the following steps: S1, sorting and storing transactions reaching a consensus according to channels by each consensus node, and forming a system channel queue and an application channel queue corresponding to each consensus node, wherein the system channel queue stores system channel transactions, the application channel queue stores application channel transactions in application channels participated by the consensus node, and each application channel participated by the consensus node corresponds to one application channel queue; S2, for a system channel queue, when system channel transactions exist in the queue, immediately packaging the system channel transactions to generate blocks; and S3, for the application channel queue, dynamically adjusting a block packaging method according to the transaction frequency condition of the corresponding application channel, and packaging the application channel transaction based on the determined packaging method to generate a block. Compared with the prior art, data isolation based on channels is achieved, and safety and packaging efficiency are improved.
Owner:欧冶云商股份有限公司

Block chain consensus method and computer readable storage medium

The invention provides a block chain consensus method and a computer readable storage medium. The block chain consensus method comprises the following steps: determining a plurality of consensus nodes from authorization nodes through POA election; determining a PBFT main node from the plurality of consensus nodes by using a preset priority algorithm, and taking the other consensus nodes as PBFT verification nodes; pBFT consensus operation is carried out by using the PBFT main node and the PBFT verification node; and if the consensus is reached, broadcasting a consensus result to all nodes of the block chain so as to perform account book state synchronization to form a new block. According to the scheme, the Byzantine fault-tolerant consensus mechanism of the PBFT master and slave nodes is combined with the POA consensus, and hostile attacks caused by serious centralization of the POA consensus mechanism are avoided.
Owner:QINGDAO HAIER REFRIGERATOR CO LTD +1

Block output method and device based on block chain

The embodiment of the invention relates to a block output method and device based on a block chain. The method comprises the steps that if a generated first block is larger than a first threshold value, the first block is divided into a first sub-block and at least one second sub-block; a first digital signature of a specified number of block output nodes and a first digital signature of the firstblock output node are determined; a second hash operation is performed on the first digital signature of the specified number of block output nodes and the first digital signature of the first blockoutput node to obtain a second hash value; and according to the second hash value and a preset first random rule, a second block output node is selected from the plurality of block output nodes as a block output node of the at least one second sub-block. Therefore, the block outlet node can specify the next block outlet node, the specifying process has certain randomness and verifiability, the probability that the block chain is attacked successfully can be reduced, and the block outlet efficiency of the block chain node network is improved.
Owner:BEIJING AIMORECE TECH CO LTD

Packaging method and device based on block chain node network

The embodiment of the invention relates to a packaging method and device based on a block chain node network. The method comprises: if a first block to be packaged is larger than a first threshold value, dividing the first block into a first sub-block and at least one second sub-block; performing a first hash operation according to the first block to obtain a first hash value; signing the first hash value to obtain a first digital signature; performing a second hash operation on the first digital signature to obtain a second hash value; and selecting at least one second block output node fromthe plurality of block output nodes according to the second hash value and a preset random rule, and taking the at least one second block output node as a block output node of the at least one secondsub-block. Therefore, the block output node can assign the next block output node, the assigned process has certain randomness and verifiability, the probability that the block chain is attacked successfully can be reduced, the block output efficiency of the block chain node network is improved, and then the accounting efficiency is improved.
Owner:BEIJING AIMORECE TECH CO LTD

Block chain data processing method and device, server and storage medium

The embodiment of the invention provides a block chain data processing method and device, a server and a storage medium. The block chain data method comprises the steps: indicating a plurality of nodes included in a block chain network to package service data into blocks in response to received unprocessed service data; obtaining a contribution index of each node in the plurality of nodes; and determining a target node from the plurality of nodes based on the contribution index, and indicating the target node to execute a blocking operation. By adopting the embodiment of the invention, the consensus process time consumption can be reduced, and the block output efficiency is improved.
Owner:SIMPLECREDIT MICRO LENDING CO LTD

Node consensus mechanism optimization method, system and device and storage medium

The invention discloses a node consensus mechanism optimization method, system and device and a storage medium. According to the node consensus mechanism optimization method, on the premise of Byzantine fault tolerance, a consensus module block forming mechanism is optimized, and on the basis of original block forming according to a time dimension, a block forming rule of a transaction quantity dimension is added, so that block forming is triggered when the transaction quantity reaches a configured threshold value; according to the method, when the target block reaches the node consensus, theresponse of each node is sent to the client sending the request, so that the block output is finally completed, and theoretically, the block output speed is lower than the threshold configured by thetime dimension, so that the block output efficiency is improved.
Owner:深圳市蔚链科技有限公司

PBFT consensus method and device

The invention relates to a PBFT consensus method and device, and the method comprises the steps: determining a block node group from an alternative block node group through a workload proof mode by ablock chain node, wherein the block chain node is any one alternative block outlet node in the alternative block outlet node group; enabling the blockchain node to receive a transaction request sent by a client, wherein the transaction request comprises an initiator address, a receiver address, a transaction amount, a client signature and a timestamp; enabling the block chain node to send the transaction request to any one block outlet node in the block outlet node group, wherein the block outlet node is used for sending a transaction request to the block outlet node, so that the block outletnode adopts a practical Bayer's space fault-tolerant consensus mode to verify that the transaction request is passed, and the block outlet node packages a plurality of verified transaction requests into blocks at intervals of a preset time period and links the blocks. According to the method, under the condition that decentralization is met, the block output efficiency can be improved, and the safety of the block chain is ensured.
Owner:BEIJING AIMORECE TECH CO LTD

Efficient secret unique leader election method

The invention discloses an efficient secret unique leader election method. The method comprises the following steps that: each participant Pi calculates evidence (kiL, kiR) and a commitment value Com (kiL, kiR) according to a selected secret ki; ri), and generating a commitment value Com (kiL; zero knowledge of plaintext knowledge corresponding to Com (kiL, ri) is proved to pi i, and then Com (kiL; ri), pi i and kiR are added to a state set st; all participants publicly verify whether k1R,..., knR in the state set st have duplicated values or not and verify zero-knowledge proof; updating the set 1 according to a verification result; selecting a committee from participants corresponding to each commitment value in the l to update the l and selecting a Comm (k '); r); the leader Pj publishes a secret kj, other participants publicly verify (kjL, kjR) <-H (kj), and (u, v) = com (k '; and r) if so, passing the identity authentication of the leader Pj.
Owner:INST OF INFORMATION ENG CAS

Method and device applied to block chain packaging

The embodiment of the invention relates to a method and device applied to block chain packaging. The method comprises the following steps: determining a first digital signature of a specified number of outblock nodes and a first digital signature of the first outblock node, the first digital signature of each outblock node being obtained by signing a first hash value through the outblock node, andthe first hash value being obtained by performing a first hash operation according to a first block; performing a second hash operation on the first digital signature of the specified number of outbound nodes and the first digital signature of the first outbound node to obtain a second hash value; and according to the second hash value and a preset first random rule, selecting a second block-outnode from the plurality of block-out nodes as a block-out node of a second block. Therefore, the block outlet node can specify the next block outlet node, the specifying process has certain randomnessand verifiability, the probability that the block chain is attacked successfully can be reduced, and the block outlet efficiency of the block chain node network is improved.
Owner:BEIJING AIMORECE TECH CO LTD

Block chain-based packaging method and device

The embodiment of the invention relates to a block chain-based packaging method and device. The method comprises the steps of if a generated first block is larger than a first threshold value, dividing the first block into a first sub-block and at least one second sub-block; performing a first hash operation according to the first block to obtain a first hash value; signing the first hash value toobtain a first digital signature; performing a second hash operation according to the second block to obtain a second hash value; performing a third hash operation on the first digital signature andthe second hash value to obtain a third hash value; and selecting at least one second block output node from the plurality of block output nodes according to the third hash value and a preset random rule, and taking the at least one second block output node as a block output node of the at least one second sub-block. Therefore, the block output node can assign the next block output node, the assigned process has certain randomness and verifiability, the block output efficiency of the block chain node network can be improved, and then the accounting efficiency is improved.
Owner:BEIJING AIMORECE TECH CO LTD

Consensus method and device involving pbft

The invention relates to a PBFT consensus method and device, and the method comprises the steps: determining a block node group from an alternative block node group through a workload proof mode by ablock chain node, wherein the block chain node is any one alternative block outlet node in the alternative block outlet node group; enabling the blockchain node to receive a transaction request sent by a client, wherein the transaction request comprises an initiator address, a receiver address, a transaction amount, a client signature and a timestamp; enabling the block chain node to send the transaction request to any one block outlet node in the block outlet node group, wherein the block outlet node is used for sending a transaction request to the block outlet node, so that the block outletnode adopts a practical Bayer's space fault-tolerant consensus mode to verify that the transaction request is passed, and the block outlet node packages a plurality of verified transaction requests into blocks at intervals of a preset time period and links the blocks. According to the method, under the condition that decentralization is met, the block output efficiency can be improved, and the safety of the block chain is ensured.
Owner:BEIJING AIMORECE TECH CO LTD

Block generation method and device on blockchain

The embodiment of the invention relates to a block outputting method and device on a block chain. The method comprises the following steps: generating a first block, and performing a first hash operation according to the first block to obtain a first hash value; sending a first hash value to other nodes in the plurality of block outputting nodes; determining first numerical values of the pluralityof block outputting nodes; selecting a specified number of first numerical values according to the sizes of the first numerical values of the plurality of block outputting nodes; performing a secondhash operation on the specified number of first numerical values to obtain a second hash value; and according to the second hash value and a preset random rule, selecting a second block outputting node from the plurality of verification nodes as a block outputting node of a second block, the second block being a next block of the first block. Therefore, the block outputting node can assign the next block outputting node, the assigned process has certain randomness and verifiability, the probability that the block chain is attacked successfully can be reduced, the block output efficiency of theblock chain node network is improved, and then the accounting efficiency is improved.
Owner:BEIJING AIMORECE TECH CO LTD

Blockchain-based trusted hardware and high-performance decentralized anonymous encryption method

The present invention relates to the field of blockchain algorithms, and discloses trusted hardware based on blockchain and a high-performance decentralized anonymous encryption algorithm. The hardware has a built-in intelligent mining chip, and an anonymous encryption algorithm is embedded in the intelligent mining chip. Users can use it as U disk is used; when inserted into the USB3.0 reading interface, the encryption algorithm is executed, and the device is confirmed through the chip at the same time; if the confirmation is successful, the hardware becomes a block node in the public network blockchain, waiting for the synchronization to be completed. After the block data is available, the election calculation is carried out; when the smart mining chip is successfully elected as a miner, it has the power to package the block; the smart mining chip and the encryption algorithm adopt a consensus mechanism to ensure the protection of the identity of the current miner and the next miner. Make miners anonymous in the entire blockchain network. The hardware and algorithm of the present invention can solve the problem of energy consumption of computing power, the problem of uneven network computing power being attacked by the network, the problem of block energy consumption, and the problem of trusted nodes.
Owner:北汽蓝谷信息技术有限公司

Block generation method and device based on blockchain node network

The embodiment of the invention relates to a block outputting method and device based on a block chain node network. The method comprises the following steps: generating a first block, and performing a first hash operation according to the first block to obtain a first hash value; signing the first hash value to obtain a first digital signature; performing a second hash operation on the second block to obtain a second hash value, wherein the second block is the next block of the first block; performing a third hash operation on the first digital signature and the second hash value to obtain a third hash value; and according to the third hash value and a preset random rule, selecting a second block outputting node from the plurality of block outputting nodes as an block outputting node of the second block. Therefore, the block outputting node can specify the next block outputting node, the specified process has certain randomness and verifiability, the probability that the block chain is attacked successfully can be reduced, the block outputting efficiency of the block chain node network is improved, and then the accounting efficiency is improved, so that the block chain node network can adapt to a service scene with a larger data scale.
Owner:BEIJING AIMORECE TECH CO LTD
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