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    基于区块链的服务系统、方法、设备及存储介质
    2.
    发明申请
    基于区块链的服务系统、方法、设备及存储介质 审中-公开

    公开(公告)号：WO2022267180A1

    公开(公告)日：2022-12-29

    申请号：PCT/CN2021/109600

    申请日：2021-07-30

    Applicant: 深圳壹账通智能科技有限公司

    Inventor： 秦岭

    IPC: H04L9/08 ,  H04L9/32 ,  H04L67/10 ,  H04L67/51 ,  H04L9/3247 ,  H04L9/50

    Abstract: 本申请涉及区块链技术领域，揭示了一种基于区块链的服务系统、方法、设备及存储介质，其中系统包括：至少两个客户端区块链节点和至少一个服务端区块链节点；所有客户端区块链节点和所有服务端区块链节点通过区块链网络通信连接；客户端区块链节点，用于存取单个用户的用户数据；服务端区块链节点，用于向客户端区块链节点提供服务，记录所有客户端区块链节点的用户数据，以及监听所有客户端区块链节点的用户数据的变更。从而可以进行实时计算，实现了将计算前移到客户端区块链节点，避免了计算响应慢、计算结果存在时间差的问题；又因为服务端区块链节点不需要大量计算数据，避免了计算资源开销大、计算响应慢的问题。

    MULTI-PARTY BLOCKCHAIN ADDRESS SCHEME
    3.
    发明申请
    MULTI-PARTY BLOCKCHAIN ADDRESS SCHEME 审中-公开

    公开(公告)号：WO2022238067A1

    公开(公告)日：2022-11-17

    申请号：PCT/EP2022/059603

    申请日：2022-04-11

    Applicant: NCHAIN LICENSING AG

    Inventor： PAUNOIU, Alexandru ,  WRIGHT, Craig, Steven

    IPC: G06F21/64 ,  H04L9/00 ,  H04L9/32 ,  H04L9/3239 ,  H04L9/50

    Abstract: A method of generating a blockchain transaction, wherein each second party is associated with a public key, each public key is associated with a index, and wherein the method comprises: generating a first transaction comprising a locking script comprising a plurality of sub-scripts, each sub-script being associated with a respective index and comprising an expected hash value of the public key associated with the index associated with that sub-script, and wherein the locking script is configured to require a first unlocking script to comprise a target index, a target public key, and a target signature, and execute the sub-script associated with the target index, wherein each sub-script is configured to generate a hash of the target public key and require the generated hash value to match the respective expected hash value included in that sub-script, and verify that the target signature is a valid signature for the target public key.

    SECURING HASH CHAINS VIA HYBRID CONSENSUS
    6.
    发明申请
    SECURING HASH CHAINS VIA HYBRID CONSENSUS 审中-公开

    公开(公告)号：WO2022211878A1

    公开(公告)日：2022-10-06

    申请号：PCT/US2022/012782

    申请日：2022-01-18

    Applicant: INTUIT INC.

    Inventor： SCOTT, Glenn, Carter ,  GABRIEL, Michael, Richard ,  MEIKE, Roger, C.

    IPC: H04L9/32 ,  H04L9/0643 ,  H04L9/3218 ,  H04L9/3236 ,  H04L9/50

    Abstract: A method secures hash chains via hybrid consensus. A proximate payload for a proximate chain block for a proximate chain is obtained. A first identifier of the proximate chain and the proximate payload are hashed with a hash function to generate a second identifier of the proximate chain. The proximate chain block is added to the proximate chain. The proximate chain block includes the first identifier, the second identifier, and the proximate payload. A request to add the second identifier to a reporting chain is transmitted. A response indicating that the second identifier is incorporated into the reporting chain using the consensus mechanism is received.

    SECURITY MECHANISMS FOR DIGITAL CURRENCIES
    7.
    发明申请
    SECURITY MECHANISMS FOR DIGITAL CURRENCIES 审中-公开

    公开(公告)号：WO2022173856A1

    公开(公告)日：2022-08-18

    申请号：PCT/US2022/015855

    申请日：2022-02-09

    Applicant: NATIONAL CURRENCY TECHNOLOGIES, INC.

    Inventor： POVSNER, Joshua, M.

    IPC: G06Q20/38 ,  H04L2209/56 ,  H04L9/0891 ,  H04L9/0894 ,  H04L9/50

    Abstract: A centralized tracking system includes a security gateway system and a main memory system. The security gateway system interfaces with the public over the internet at an internet protocol address, and comprises a memory that stores packets received from the public over the internet and a processor that executes a plurality of algorithms to impose safety checks on each packet received from the public. The main memory system is shielded from the public by the security gateway system, stores records for the centralized tracking system, and receives updates to the records from the security gateway system once instructions from the public pass the safety checks.

    共识方法、区块链系统和共识节点
    8.
    发明申请
    共识方法、区块链系统和共识节点 审中-公开

    公开(公告)号：WO2023056964A1

    公开(公告)日：2023-04-13

    申请号：PCT/CN2022/124047

    申请日：2022-10-09

    Applicant: 支付宝（杭州）信息技术有限公司

    Inventor： 刘盛云 ,  邓福喜 ,  闫莺 ,  徐文博

    IPC: H04L9/32 ,  G06F16/2246 ,  G06F16/2255 ,  G06F16/27 ,  H04L2209/463 ,  H04L9/3239 ,  H04L9/3247 ,  H04L9/50

    Abstract: 一种共识方法、区块链系统和共识节点。其中，该共识方法包括：第一共识节点将共识提议的交易集合采用纠删码生成多个数据块；第一共识节点发送第一消息至其它共识节点；接收到第一消息的共识节点广播第二消息，第二消息中包括接收到的数据块，并包括对交易集合的投票和签名；投票包括交易集合的摘要值；接收到第二消息的共识节点收集到至少Quorum个来自于不同共识节点的一致的投票后，广播第三消息，第三消息包括摘要值以及收集到的签名集合；共识节点在第二轮或第三轮的末尾基于接收到的数据块采用纠删码恢复出交易集合，并在收集到至少Quorum个来自于不同节点的第三消息后，将摘要值对应的交易集合作为共识结果的至少一部分输出。

    SECURE AND TRUSTWORTHY BRIDGE FOR TRANSFERRING ASSETS ACROSS NETWORKS WITH DIFFERENT DATA ARCHITECTURE
    9.
    发明申请
    SECURE AND TRUSTWORTHY BRIDGE FOR TRANSFERRING ASSETS ACROSS NETWORKS WITH DIFFERENT DATA ARCHITECTURE 审中-公开

    公开(公告)号：WO2023283303A2

    公开(公告)日：2023-01-12

    申请号：PCT/US2022/036309

    申请日：2022-07-07

    Applicant: AVA LABS, INC.

    Inventor： KAPLAN, Michael Edmond ,  LEARY, Conor ,  MUSSALLEM, Nicholas ,  SIRER, Emin Gun ,  WONG, Bernard

    IPC: G06Q20/36 ,  G06Q20/38 ,  H04L9/30 ,  H04L9/14 ,  G06Q20/3674 ,  G06Q20/3825 ,  G06Q20/3829 ,  H04L9/50

    Abstract: Described herein is technology for providing the secure transfer of assets between blockchain networks. A secure-execution server can be configured to execute a bridge program in a secure execution environment to interact with a first pool of warden servers to facilitate secure transfer of assets between a first blockchain network and a second blockchain network. The bridge program may include instructions that, when executed by the secure execution environment, cause the secure-execution server to perform operations that may include performing lock operations that lock first assets from a contractless blockchain network and mint second assets representing the first assets in a contracting blockchain network, where the contracting blockchain network supports smart-contracts that are unsupported on the contractless blockchain network; and performing unlock operations that unlock the first assets by transferring the first assets in the first blockchain network in response to the second assets being returned or destroyed.

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