WO2019018986A1 - 一种跨链数字债权交易的方法 - Google Patents

一种跨链数字债权交易的方法 Download PDF

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WO2019018986A1
WO2019018986A1 PCT/CN2017/094128 CN2017094128W WO2019018986A1 WO 2019018986 A1 WO2019018986 A1 WO 2019018986A1 CN 2017094128 W CN2017094128 W CN 2017094128W WO 2019018986 A1 WO2019018986 A1 WO 2019018986A1
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chain
cross
creditor
digital
transaction
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PCT/CN2017/094128
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English (en)
French (fr)
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吴思进
王志文
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杭州复杂美科技有限公司
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Priority to PCT/CN2017/094128 priority Critical patent/WO2019018986A1/zh
Publication of WO2019018986A1 publication Critical patent/WO2019018986A1/zh

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q40/00Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G06Q40/04Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange

Definitions

  • the present invention relates to the field of blockchain technology, and in particular to the cross-chain technology between blockchains.
  • the blockchain technology can be used to truly record the debtor's credit information and debt information, so that the debtor can quickly use the creditor's right to finance, improve the efficiency and security of the creditor's rights transfer, successfully resolve the debtor's information fraud, the draft is fraudulent, and the ticket is sold more. And other issues.
  • the present invention provides a method for cross-chain digital debt transactions, which combines digital claims with blockchain cross-chain technology.
  • Step S1 the debtor (purchasing party A) issues digital claims (such as X million receivables tokens) on the A enterprise license chain (A chain), and transfers to the public key of the creditor (supplier B) Address
  • digital claims such as X million receivables tokens
  • Step S2 the supplier B wants to sell the X million receivable token to the enterprise in the Y-digital currency B license chain (B chain
  • the new creditor (Philate Party C), after the purchaser A digital signature agrees, the supplier B issued a cross-chain trading order, requiring the factoring party C to digitally confirm the signature;
  • Step S3 the A chain enterprise and the B chain enterprise have a cross-chain guarantee account address in each chain, as a guarantee for cross-chain transit;
  • Step S4 the factoring party C digital signature agrees with the instruction of the supplier B, and the Y million digital currency is entered into the B enterprise cross-chain guarantee account address;
  • Step S5 the supplier B enters the X million receivable token into the address of the A enterprise cross-chain guarantee account
  • Step S6 A enterprise cross-chain guarantee account address pre-recording sends X million receivables token to the B enterprise cross-chain guarantee account address, and the A enterprise guarantee account is prepared to receive the Y-number that will be remitted from the B-chain [0013]
  • Step S7 the cross-chain secured address of the B chain is pre-recorded to receive X million receivables tokens;
  • Step S8 A enterprise cross-chain guarantee address confirmation B chain record success after the mark transfer Y million;
  • Step S9 the cross-chain guarantee address of the B chain sends the X million receivable token to the C address, and notifies the purchaser A;
  • Step S10 the B enterprise cross-chain guarantee account is trans-chained through the digital currency, and the Y-10,000 digital currency is entered into the address B of the supplier B of the A-chain.
  • Step Sl l after expiration, the purchaser A shall pay the legal currency corresponding to the X million receivable token to the factor B, and return the X million receivable token.
  • the license chain in which the debtor and the creditor are located may be a license chain or a different license chain.
  • the digital creditor's right can be a bill of exchange, a receivable, an advance payment, a warehouse receipt, and the like.
  • the cross-chain guarantee account on the A chain and the B chain is established by an authoritative third party institution, and the debtor, the creditor and the new creditor both recognize the cross-chain guarantee account.
  • the debtor, the creditor and the new creditor can obtain and verify the digital credit information on the other license chain node through the license chain node.
  • the digital debt information should include relevant information and signature evidence of the debtor, creditor and debt, including the amount information, transaction date information, payment date information, goods or service information, and the like.
  • the guarantee account of different license chains records all the information of each cross-chain transaction, and the information is validated after being validated, and will be returned when it exceeds the valid time.
  • the situation in which the information is not valid in the valid day includes the case that the license chain is offline, the transaction capability of a certain transaction party is not realized, the transaction address is incorrect, and the like is not tradable.
  • the beneficial effect of the present invention is to disclose a method for cross-chain digital debt transaction, which is supported by blockchain cross-chain technology, combined with the existing digital debt service, and issued A new cross-chain digital debt trading method.
  • the contractor and the creditor are on the license chain, and the new creditor is on the other license chain, and the digital debt transaction can be carried out through the blockchain cross-chain technology.
  • the new creditors can obtain the debtor information provided by the debtor more securely and conveniently from the nodes of the license chain, and solve many existing creditor issues, such as ticket fraud, one-ticket sale, etc.;
  • the use of creditor's rights for financing has improved the efficiency and security of the transfer of creditor's rights.
  • FIG. 1 is a schematic diagram of a simulation of a cross-chain digital debt transaction process according to an embodiment of the present invention.
  • Step S1 the debtor (purchasing party A) issues digital claims (such as X million receivables tokens) on the A enterprise license chain (A chain), and transfers to the public key of the creditor (supplier B) Address
  • digital claims such as X million receivables tokens
  • Step S2 the supplier B wants to sell the X million receivable token in the Y million digital currency to the new creditor (the factor B) on the enterprise B license chain (B chain), after the purchaser A number Signature agrees, the supplier sends a cross-chain
  • the trading order requires the confirmation of the digital signature of the factoring party;
  • Step S3 the A chain enterprise and the B chain enterprise have a cross-chain guarantee account address in each chain, as a guarantee for cross-chain transit;
  • Step S4 the factoring party C is digitally signed to agree with the instruction of the supplier B, and the Y million digital currency is entered into the B enterprise cross-chain guarantee account address;
  • Step S5 the supplier B enters the X million receivable token into the address of the A enterprise cross-chain guarantee account
  • Step S6 A enterprise cross-chain guarantee account address pre-recording sends X million receivables token to the B enterprise cross-chain guarantee account address, and the A enterprise guarantee account is prepared to receive the Y-number that will be remitted from the B-chain.
  • Step S7 the cross-chain secured address of the B chain is pre-recorded to receive X million receivables tokens;
  • Step S8 A enterprise cross-chain guarantee address confirmation B chain record success after the mark transfer Y million;
  • Step S9 the cross-chain guarantee address of the B chain sends the X million receivable token to the address C, and notifies the purchaser A;
  • Step S10 the B enterprise cross-chain guarantee account is trans-chained through the digital currency, and the Y-million digital currency is entered into the address B of the supplier B of the A-chain.
  • Step Sl l after expiration, the purchaser A shall pay the legal currency corresponding to the X million receivable token to the factor B, and return the X million receivable token.
  • the license chain in which the debtor and the creditor are located may be a license chain or a different license chain.
  • the digital creditor's right can be a bill of exchange, a receivable, an advance payment, a warehouse receipt, and the like.
  • the cross-chain guarantee account on the A chain and the B chain is established by an authoritative third party institution, and the debtor, the creditor and the new creditor both recognize the cross-chain guarantee account.
  • the debtor, the creditor and the new creditor can obtain and verify the digital debt information on the other license chain node through the license chain node.
  • the digital creditor information shall include relevant information and signature evidence of the debtor, creditor and debt, including the amount information, transaction date information, payment date information, goods or service information, and the like.
  • the guarantee account of different license chains records all the information of each cross-chain transaction, and the information is validated after being validated, and will be returned when it exceeds the valid time.
  • the situation in which the information does not take effect within the valid time includes the case where the license chain is offline, a transaction party has no transaction capability, the transaction address is incorrect, and the like is not tradable.

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Abstract

一种跨链数字债权交易的方法,以区块链跨链技术为技术支撑,结合现有的债权交易业务,开发出一种全新的数字债权交易方式。约定债务人和债权人在许可链上,新债权人在另一条许可链上,则可以通过区块链跨链技术进行数字债权交易。新债权人通过区块链跨链技术,从许可链的节点可以更安全更便捷地获取债务人提供的债权信息,解决了诸多现有的债权问题,例如票据作假、一票多卖等;债务人能够快速利用债权进行融资,提高了债权流转的高效性和安全性。

Description

一种跨链数字债权交易的方法
技术领域
[0001] 本发明涉及区块链技术领域, 特别是区块链之间的跨链技术。
背景技术
[0002] 采用区块链技术可以真实记录债务人信用信息及债务信息, 让债务人能够快速 利用债权进行融资, 提高债权流转的高效性与安全性, 成功解决债务人信息作 假, 汇票作假, 一票多卖等问题。
[0003] 比起对所有人幵放、 任何人都可以参与的公有链, 企业更加倾向于选择对特定 的个人或团体幵放的许可链。 跨链技术可以把许可链从分散单独的信息孤岛中 拯救出来, 实现不同许可链之间信息交互。
技术问题
[0004] 为了克服上述现有技术的不足, 本发明提供了一种跨链数字债权交易的方法, 将数字债权与区块链跨链技术融合。
问题的解决方案
技术解决方案
[0005] 本发明所采用的技术方案是:
[0006] 1、 债务人甲和债权人乙在区块链许可链上, 通过区块链跨链技术, 债权人乙 可以将债权转让给丙作为新债权人, 债权到期后债务人甲向新债权人丙兑付债 务。 以下是实现步骤;
[0007] 步骤 Sl, 债务人 (采购方甲) 在 A企业许可链 (A链) 上发行了数字债权 (如 X 万应收款代币) , 并转到债权人 (供货方乙) 的公钥地址上;
[0008] 步骤 S2, 供货方乙要将 X万应收款代币以 Y万数字货币卖给企业 B许可链 (B链
) 上的新债权人 (保理方丙) , 经过采购方甲数字签名同意, 供货方乙发跨链 交易指令, 要求保理方丙数字签名确认;
[0009] 步骤 S3, A链企业和 B链企业在各自的链上都设有跨链担保账户地址, 作为跨 链中转的担保; [0010] 步骤 S4, 保理方丙数字签名同意供货方乙的指令, 并将 Y万数字货币打入 B企 业跨链担保账户地址;
[0011] 步骤 S5, 供货方乙将 X万应收款代币打入 A企业跨链担保账户地址;
[0012] 步骤 S6, A企业跨链担保账户地址预记录将 X万应收款代币发送给 B企业跨链担 保账户地址, 并且 A企业担保账户准备收取 B链上将汇过来的 Y万数字货币; [0013] 步骤 S7, B链的跨链担保地址预记录收到 X万应收款代币;
[0014] 步骤 S8, A企业跨链担保地址确认 B链记录成功后标记转移 Y万;
[0015] 步骤 S9, B链的跨链担保地址将 X万应收款代币发送给丙地址, 并通知采购方 甲;
[0016] 步骤 S10, B企业跨链担保账户通过数字货币跨链交易, 将 Y万数字货币打入 A 链的供货方乙账户地址。
[0017] 步骤 Sl l, 到期吋, 采购方甲将 X万应收款代币对应的法币给保理方丙, 并回 收 X万应收款代币。
[0018] 2、 债务人和债权人所在的许可链可以是一条许可链, 也可以是不同许可链。
[0019] 3、 数字债权可以是汇票、 应收款、 预付款、 仓单等。
[0020] 4、 A链及 B链上的跨链担保账户由权威第三方机构设立, 且债务人、 债权人及 新债权人都认可该跨链担保账户。
[0021] 5、 债务人、 债权人及新债权人可以通过许可链节点获取并验证另一条许可链 节点上的数字债权信息。
[0022] 6、 数字债权信息应包括债务人、 债权人及债务的相关信息及签名证据, 具体 包括金额信息, 交易日期信息, 支付日期信息、 物品或服务信息等。
[0023] 7、 所有的数字债权交易过程都发生在许可链的担保账户中, 跨链之间的交易 不会受到交易各方的影响。
[0024] 8、 使用区块链跨链技术, 使得不同许可链之间可以发生资产交互过程; 不同 许可链的担保账户都记录每一次跨链交易的所有信息, 交易信息是唯一且正确 的。
[0025] 9、 不同许可链的担保账户都记录每一次跨链交易的所有信息, 该信息在有效 吋间内经过确认才可生效, 超过有效吋间则会退回。 [0026] 10、 信息未在有效吋间内生效的情况包括许可链离线、 某交易方无实现交易能 力、 交易地址错误等其它不可交易的情况。
发明的有益效果
有益效果
[0027] 与现有技术相比, 本发明的有益效果是公幵了一种跨链数字债权交易的方法, 以区块链跨链技术为技术支撑, 结合现有的数字债权业务, 幵发出一种全新的 跨链数字债权交易方式。 约定债务人和债权人在许可链上, 新债权人在另一条 许可链上, 则可以通过区块链跨链技术进行数字债权交易。 新债权人通过区块 链跨链技术, 从许可链的节点可以更安全更便捷地获取债务人提供的债权信息 , 解决了诸多现有的债权问题, 例如票据作假、 一票多卖等; 债务人能够快速 利用债权进行融资, 提高了债权流转的高效性和安全性。
对附图的简要说明
附图说明
[0028] 图 1为本发明实施例所提供的跨链数字债权交易过程模拟示意图。
实施该发明的最佳实施例
本发明的最佳实施方式
[0029] 结合附图阅读实施例, 理解如何使用跨链技术实现不同许可链之间数字债权交 易, 更好地理解本发明的上述特征和优点。
本发明的实施方式
[0030] 1、 债务人甲和债权人乙在区块链许可链上, 通过区块链跨链技术, 债权人乙 可以将债权转让给丙作为新债权人, 债权到期后债务人甲向新债权人丙兑付债 务。 以下是实现步骤;
[0031] 步骤 Sl, 债务人 (采购方甲) 在 A企业许可链 (A链) 上发行了数字债权 (如 X 万应收款代币) , 并转到债权人 (供货方乙) 的公钥地址上;
[0032] 步骤 S2, 供货方乙要将 X万应收款代币以 Y万数字货币卖给企业 B许可链 (B链 ) 上的新债权人 (保理方丙) , 经过采购方甲数字签名同意, 供货方乙发跨链 交易指令, 要求保理方丙数字签名确认;
[0033] 步骤 S3, A链企业和 B链企业在各自的链上都设有跨链担保账户地址, 作为跨 链中转的担保;
[0034] 步骤 S4, 保理方丙数字签名同意供货方乙的指令, 并将 Y万数字货币打入 B企 业跨链担保账户地址;
[0035] 步骤 S5, 供货方乙将 X万应收款代币打入 A企业跨链担保账户地址;
[0036] 步骤 S6, A企业跨链担保账户地址预记录将 X万应收款代币发送给 B企业跨链担 保账户地址, 并且 A企业担保账户准备收取 B链上将汇过来的 Y万数字货币; [0037] 步骤 S7, B链的跨链担保地址预记录收到 X万应收款代币;
[0038] 步骤 S8, A企业跨链担保地址确认 B链记录成功后标记转移 Y万;
[0039] 步骤 S9, B链的跨链担保地址将 X万应收款代币发送给丙地址, 并通知采购方 甲;
[0040] 步骤 S10, B企业跨链担保账户通过数字货币跨链交易, 将 Y万数字货币打入 A 链的供货方乙账户地址。
[0041] 步骤 Sl l, 到期吋, 采购方甲将 X万应收款代币对应的法币给保理方丙, 并回 收 X万应收款代币。
[0042] 2、 债务人和债权人所在的许可链可以是一条许可链, 也可以是不同许可链。
[0043] 3、 数字债权可以是汇票、 应收款、 预付款、 仓单等。
[0044] 4、 A链及 B链上的跨链担保账户由权威第三方机构设立, 且债务人、 债权人及 新债权人都认可该跨链担保账户。
[0045] 5、 债务人、 债权人及新债权人可以通过许可链节点获取并验证另一条许可链 节点上的数字债权信息。
[0046] 6、 数字债权信息应包括债务人、 债权人及债务的相关信息及签名证据, 具体 包括金额信息, 交易日期信息, 支付日期信息、 物品或服务信息等。
[0047] 7、 所有的数字债权交易过程都发生在许可链的担保账户中, 跨链之间的交易 不会受到交易各方的影响。
[0048] 8、 使用区块链跨链技术, 使得不同许可链之间可以发生资产交互过程; 不同 许可链的担保账户都记录每一次跨链交易的所有信息, 交易信息是唯一且正确 的。
[0049] 9、 不同许可链的担保账户都记录每一次跨链交易的所有信息, 该信息在有效 吋间内经过确认才可生效, 超过有效吋间则会退回。
[0050] 10、 信息未在有效时间内生效的情况包括许可链离线、 某交易方无实现交易能 力、 交易地址错误等其它不可交易的情况。

Claims

权利要求书
[权利要求 1] 一种跨链数字债权交易的方法, 其特征在于: 债务人甲和债权人乙在 区块链许可链上, 通过区块链跨链技术, 债权人乙可以将债权转让给 丙作为新债权人, 债权到期后债务人甲向新债权人丙兑付债务。 以下 是实现步骤;
步骤 Sl, 债务人 (采购方甲) 在 A企业许可链 (A链) 上发行了数字 债权 (如 X万应收款代币) , 并转到债权人 (供货方乙) 的公钥地址 上;
步骤 S2, 供货方乙要将 X万应收款代币以 Y万数字货币卖给企业 B许 可链 (B链) 上的新债权人 (保理方丙) , 经过采购方甲数字签名同 意, 供货方乙发跨链交易指令, 要求保理方丙数字签名确认; 步骤 S3, A链企业和 B链企业在各自的链上都设有跨链担保账户地址 , 作为跨链中转的担保;
步骤 S4, 保理方丙数字签名同意供货方乙的指令, 并将 Y万数字货币 打入 B企业跨链担保账户地址;
步骤 S5, 供货方乙将 X万应收款代币打入 A企业跨链担保账户地址; 步骤 S6, A企业跨链担保账户地址预记录将 X万应收款代币发送给 B 企业跨链担保账户地址, 并且 A企业担保账户准备收取 B链上将汇过 来的 Y万数字货币;
步骤 S7, B链的跨链担保地址预记录收到 X万应收款代币; 步骤 S8, A企业跨链担保地址确认 B链记录成功后标记转移 Y万; 步骤 S9, B链的跨链担保地址将 X万应收款代币发送给丙地址, 并通 知采购方甲;
步骤 S10, B企业跨链担保账户通过数字货币跨链交易, 将 Y万数字货 币打入 A链的供货方乙账户地址。
步骤 Sl l, 到期吋, 采购方甲将 X万应收款代币对应的法币给保理方 丙, 并回收 X万应收款代币。
[权利要求 2] 根据权利要求 1所述的一种跨链数字债权交易的方法, 其特征在于: 债务人和债权人所在的许可链可以是一条许可链, 也可以是不同许可 链。
[权利要求 3] 根据权利要求 1所述的一种跨链数字债权交易的方法, 其特征在于: 数字债权可以是汇票、 应收款、 预付款、 仓单等。
[权利要求 4] 根据权利要求 1所述的一种跨链数字债权交易的方法, 其特征在于:
A链及 B链上的跨链担保账户由权威第三方机构设立, 且债务人、 债 权人及新债权人都认可该跨链担保账户。
[权利要求 5] 根据权利要求 1所述的一种跨链数字债权交易的方法, 其特征在于: 债务人、 债权人及新债权人可以通过许可链节点获取并验证另一条许 可链节点上的数字债权信息。
[权利要求 6] 根据权利要求 5所述的方法, 其特征在于: 数字债权信息应包括债务 人、 债权人及债务的相关信息及签名证据, 具体包括金额信息, 交易 曰期信息, 支付日期信息、 物品或服务信息等。
[权利要求 7] 根据权利要求 1所述的一种跨链数字债权交易的方法, 其特征在于: 所有的数字债权交易过程都发生在许可链的担保账户中, 跨链之间的 交易不会受到交易各方的影响。
[权利要求 8] 根据权利要求 6所述的方法, 其特征在于: 使用区块链跨链技术, 使 得不同许可链之间可以发生资产交互过程; 不同许可链的担保账户都 记录每一次跨链交易的所有信息, 交易信息是唯一且正确的。
[权利要求 9] 根据权利要求 7所述的方法, 其特征在于: 不同许可链的担保账户都 记录每一次跨链交易的所有信息, 该信息在有效吋间内经过确认才可 生效, 超过有效吋间则会退回。
[权利要求 10] 根据权利要求 8所述的方法, 其特征在于: 信息未在有效吋间内生效 的情况包括许可链离线、 某交易方无实现交易能力、 交易地址错误等 其它不可交易的情况。
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