/technologies/internet-of-things/b/blog/posts/blockchain---hyperledger-fabric-pt-1-post-and-search-transactions-on-a-distributed-trusted-ledgerThis post is part of the Infineon Blockchain Starter Kit road test. Blockchain - outside of the bitcoin context - is new to me. Follow along with me on this path to learn the technology.... Blockchain can be used to build a trail of...en-USTelligent Community 12https://community.element14.com/technologies/internet-of-things/b/blog/posts/blockchain---hyperledger-fabric-pt-1-post-and-search-transactions-on-a-distributed-trusted-ledgerSat, 02 Jan 2021 18:41:46 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:758e911a-2b9f-4b8f-b4ae-f440db59b319Jan Cumps0<p>I&#39;m revisiting Hyperledger Fabric:</p><p><span>[View:/resized-image/__size/620x304/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-758e911a-2b9f-4b8f-b4ae-f440db59b319/2451.contentimage_5F00_193401.png:620:304]</span></p><img src="https://community.element14.com/aggbug?PostID=8775&AppID=27&AppType=Weblog&ContentType=0" width="1" height="1">https://community.element14.com/technologies/internet-of-things/b/blog/posts/blockchain---hyperledger-fabric-pt-1-post-and-search-transactions-on-a-distributed-trusted-ledgerSun, 01 Mar 2020 10:47:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:758e911a-2b9f-4b8f-b4ae-f440db59b319Jan Cumps0<p>This is an example of a transaction, that&#39;s then synched between ledgers.</p><p>The first 2 steps are executed as Organisation #1. Org 1 first does a validation of all carslisted on the ledger.</p><p>Then it changes ownership of one of the cars (may represent a sale).</p><p>&nbsp;</p><p>The last step is that another Organisation #2, that&#39;s related to Org1 and hes its ledger chained to theirs, can also validate the ledger and notices that the ownership is changed! Yay!.</p><p>&nbsp;</p><ul><li>Act as Org1, first query the set of cars on the ledger:</li></ul><p><span>[View:/resized-image/__size/722x131/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-758e911a-2b9f-4b8f-b4ae-f440db59b319/8176.contentimage_5F00_193398.png:722:131]</span></p><p>&nbsp;</p><ul><li>Then, as that same Org1, change the owner of CAR9, to Dave (a transaction!):</li></ul><p><span>[View:/resized-image/__size/723x52/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-758e911a-2b9f-4b8f-b4ae-f440db59b319/1205.contentimage_5F00_193399.png:723:52]</span></p><p>&nbsp;</p><ul><li>We can now act as Org2, query our own ledger, and see that the transaction is applied and synched:</li></ul><p><span>[View:/resized-image/__size/719x135/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-758e911a-2b9f-4b8f-b4ae-f440db59b319/1033.contentimage_5F00_193400.png:719:135]</span></p><img src="https://community.element14.com/aggbug?PostID=8775&AppID=27&AppType=Weblog&ContentType=0" width="1" height="1">https://community.element14.com/technologies/internet-of-things/b/blog/posts/blockchain---hyperledger-fabric-pt-1-post-and-search-transactions-on-a-distributed-trusted-ledgerSat, 29 Feb 2020 23:41:36 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:758e911a-2b9f-4b8f-b4ae-f440db59b319Jan Cumps0<p>Some more early trusted transactions:</p><p>&nbsp;</p><p><span id="1c193c8a_5c17_40b0_8dd0_15939f5d249b"><span>[View:https://www.youtube.com/watch?v=c4jvylLHrtw:740:466]</span></span></p><p>&nbsp;</p><p><span id="433f8de4_53da_498d_a103_ad74cc36d953"><span>[View:https://www.youtube.com/watch?v=prEFiI2BmAk:740:466]</span></span></p><p>&nbsp;</p><p><span id="aa1dd041_21fd_4efe_808b_ea83f41c7481"><span>[View:https://www.youtube.com/watch?v=9RtGOZ_-k0c:740:466]</span></span></p><p>&nbsp;</p><p>With explanation from the buyer and seller:</p><p>&nbsp;</p><p><span id="99723c94_4019_47b3_9253_e84f267c88c1"><span>[View:https://www.youtube.com/watch?v=mXFqYm38leE:740:466]</span></span></p><img src="https://community.element14.com/aggbug?PostID=8775&AppID=27&AppType=Weblog&ContentType=0" width="1" height="1">