JP2021522706A - ブロックチェーンネットワークの分割 - Google Patents
ブロックチェーンネットワークの分割 Download PDFInfo
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- JP2021522706A JP2021522706A JP2020557947A JP2020557947A JP2021522706A JP 2021522706 A JP2021522706 A JP 2021522706A JP 2020557947 A JP2020557947 A JP 2020557947A JP 2020557947 A JP2020557947 A JP 2020557947A JP 2021522706 A JP2021522706 A JP 2021522706A
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Abstract
Description
・シャードされたブロックチェーンのネットワーク構造、及び
・シャードされたUTXO及びメモリプール(mempool)構造
について開示する。
プロセッサと、
プロセッサによる実行の結果として、システムにここに記載のコンピュータ実施方法のいずれかの実施形態を実行させる実行可能命令を含むメモリと
を含むシステムを提供する。
本開示の第1の実施形態は図1bに見られ、これは、本開示による、シャードされたブロックチェーンネットワークの構造を示す。他方、図1aは、既存の、すなわち、従来技術のブロックチェーンネットワークの構造を示す。
上記のように、シャードされたブロックチェーンネットワークでは、トランザクションは全てのノードにより承認されて記憶されるのではなく、その代わりに、1つ以上の特定のシャードに割り当てられる。したがって、トランザクションを異なるシャードに割り当てるための方策が必要である。以下に、2つの可能な実施形態について説明し、これらは、本開示の第3の実施形態による「トランザクションIDベース」のシャード及び本開示の第4の実施形態による「インプットベース」のシャードと呼ばれる。
水平分割のブロックチェーンでは、各シャードはネットワーク上の全てのトランザクションを含まず処理しないので、トランザクションを異なるシャードに割り当てるための方策が必要となる。さらに、いずれかのシャーディング方法は、更なるシャーディングを実行可能である必要がある。本開示の第3の実施形態では、図3を用いて説明するように、シャードの間のトランザクション分配は、トランザクションID(txid)に基づいて処理される。
・ネットワーク上の全ノードの数、及び
・ブロックチェーンのサイズ
を含む多数のパラメータに基づいて任意に選択できる。
本開示の第4の実施形態によるシャーディング方法について、図4のフロー図を用いて説明する。
現在、ビットコインネットワークでは、全てのノードが自分のUTXOセットを維持管理し、これは、承認中にチェック及び更新される。UTXOセットの例が図5に示されている。
承認するトランザクションについて、ビットコインネットワークにおいてUTXOセットがチェックされて更新される必要がある。本開示は、UTXOセットがシャードされるとき、シャードされたブロックチェーンの承認を実装するためのこのプロセスの新たなバージョンを提供する。上記のように、図1bのようなシャードされたブロックチェーン上の各ノードは、メンバーであるシャードの情報を含む、ネットワーク上のノードのリストに関連付けられるか或いはリストを維持管理する。これは、第1の実施形態に関連して上記に説明されている。
第6の実施形態では、トランザクション承認は、トランザクションが割り当てられたシャードにより実行される。第3の実施形態に関して上記に説明したように、トランザクションは、トランザクションIDに適用されるモジュロ関数の結果を使用してシャードに分配される。トランザクションは、異なるシャードからのインプットを有する可能性があるので、承認ノードは、UTXOチェックのために他のシャードと通信する。
第7の実施形態では、トランザクションは、所与のトランザクションのUTXOを含むシャード(図1bに見られるようなシャードされたネットワークのシャード)に伝搬される。
Claims (6)
- ブロックチェーントランザクションを承認するコンピュータ実施方法であって、
少なくとも1つのUTXOを含む少なくとも1つのシャードのメンバーノードから前記トランザクションの少なくとも1つのそれぞれのインプットにより参照される少なくとも1つのUTXOを要求するステップと、
少なくとも1つのノードから少なくとも1つのUTXOの有効性データを取得するステップと、
前記有効性データを使用して少なくとも1つのインプットに対して承認チェックを実行するステップと
を含む方法。 - ノードのシャードメンバーシップ情報の要求を他のノードに通信するステップを更に含む、請求項1に記載の方法。
- ノードのシャードメンバーシップ情報を他のノードに通信するステップを更に含む、請求項1又は2に記載の方法。
- 前記通信は、修正addrメッセージを使用して実行される、請求項2又は3に記載の方法。
- システムであって、
プロセッサと、
前記プロセッサによる実行の結果として、当該システムに請求項1乃至4のうちいずれか1項に記載のコンピュータ実施方法を実行させる実行可能命令を含むメモリと
を含むシステム。 - コンピュータシステムのプロセッサにより実行された結果として、前記コンピュータシステムに請求項1乃至4のうちいずれか1項に記載のコンピュータ実施方法を少なくとも実行させる実行可能命令を記憶した非一時的なコンピュータ読み取り可能記憶媒体。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2024014543A JP2024032953A (ja) | 2018-04-27 | 2024-02-02 | ブロックチェーンネットワークの分割 |
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GB1806911.2 | 2018-04-27 | ||
GBGB1806914.6A GB201806914D0 (en) | 2018-04-27 | 2018-04-27 | A computer-implemented method and system |
GB1806909.6 | 2018-04-27 | ||
GB1806914.6 | 2018-04-27 | ||
GB1806930.2 | 2018-04-27 | ||
GBGB1806909.6A GB201806909D0 (en) | 2018-04-27 | 2018-04-27 | A computer-implemented method and system |
GBGB1806930.2A GB201806930D0 (en) | 2018-04-27 | 2018-04-27 | Computer-implemented systems and methods |
GBGB1806907.0A GB201806907D0 (en) | 2018-04-27 | 2018-04-27 | A computer-implemented method and system |
GBGB1806911.2A GB201806911D0 (en) | 2018-04-27 | 2018-04-27 | A computer-implemented method and system |
GB1806907.0 | 2018-04-27 | ||
PCT/IB2019/053381 WO2019207502A1 (en) | 2018-04-27 | 2019-04-24 | Partitioning a blockchain network |
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JP2024014543A Division JP2024032953A (ja) | 2018-04-27 | 2024-02-02 | ブロックチェーンネットワークの分割 |
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JP2021522706A true JP2021522706A (ja) | 2021-08-30 |
Family
ID=66397390
Family Applications (9)
Application Number | Title | Priority Date | Filing Date |
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JP2020558029A Pending JP2021522709A (ja) | 2018-04-27 | 2019-04-24 | ブロックチェーンネットワークの分割 |
JP2020557911A Active JP7379371B2 (ja) | 2018-04-27 | 2019-04-24 | ブロックチェーンネットワークの分割 |
JP2020558031A Active JP7362654B2 (ja) | 2018-04-27 | 2019-04-24 | 分割されたブロックチェーンネットワークにおけるブロックチェーンのブロックの維持管理 |
JP2020557947A Pending JP2021522706A (ja) | 2018-04-27 | 2019-04-24 | ブロックチェーンネットワークの分割 |
JP2020557925A Pending JP2021522704A (ja) | 2018-04-27 | 2019-04-24 | ブロックチェーンネットワークの分割 |
JP2023172657A Pending JP2023168539A (ja) | 2018-04-27 | 2023-10-04 | 分割されたブロックチェーンネットワークにおけるブロックチェーンのブロックの維持管理 |
JP2024014531A Pending JP2024032951A (ja) | 2018-04-27 | 2024-02-02 | ブロックチェーンネットワークの分割 |
JP2024014543A Pending JP2024032953A (ja) | 2018-04-27 | 2024-02-02 | ブロックチェーンネットワークの分割 |
JP2024014529A Pending JP2024032950A (ja) | 2018-04-27 | 2024-02-02 | ブロックチェーンネットワークの分割 |
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JP2020558029A Pending JP2021522709A (ja) | 2018-04-27 | 2019-04-24 | ブロックチェーンネットワークの分割 |
JP2020557911A Active JP7379371B2 (ja) | 2018-04-27 | 2019-04-24 | ブロックチェーンネットワークの分割 |
JP2020558031A Active JP7362654B2 (ja) | 2018-04-27 | 2019-04-24 | 分割されたブロックチェーンネットワークにおけるブロックチェーンのブロックの維持管理 |
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