{"href":"http://player.captivate.fm/services/oembed?url=http%3A%2F%2Fplayer.captivate.fm%2Fepisode%2F131a8c3c-ee8f-497d-914f-f0ff6e6f7aa3","version":"1.0","provider_name":"Captivate.FM","provider_url":"https://www.captivate.fm","width":600,"height":200,"type":"rich","html":"<iframe style=\"width: 100%; height: 200px;\" title=\"Blockchain 101: Transaction lifecycle & the mempool\" frameborder=\"0\" scrolling=\"no\" allow=\"clipboard-write\" seamless src=\"http://player.captivate.fm/episode/131a8c3c-ee8f-497d-914f-f0ff6e6f7aa3\"></iframe>","title":"Blockchain 101: Transaction lifecycle & the mempool","description":"In this episode, we are joined by https://twitter.com/tomusdrw (Tomasz Drwi\u0119ga), a Core Developer at Parity Technologies, to discuss the lifecycle of a transaction on the Ethereum network and how the mempool works.  \r\n\n\nWe will be covering the following topics: \r\n\n\n\nWhat a mempool/transaction queue/transaction pool is.\r\n\nHow a transaction reaches a mempool and what the mempool does with it. \r\n\nLooking at what causes the CPU increase and delays in the network. \r\n\nWhat happens when a transaction gets stuck.\r\n\nGossip.\r\n\nThe security properties of the mempool.\r\n\nWhat a network attack could look like.\r\n\n\n\nHere are some additional links and ressources if you want to dig deeper. \r\n\n\n\nhttps://medium.com/blockchannel/life-cycle-of-an-ethereum-transaction-e5c66bae0f6e (https://medium.com/blockchannel/life-cycle-of-an-ethereum-transaction-e5c66bae0f6e)\r\n\nhttps://blog.infura.io/when-there-are-too-many-pending-transactions-8ec1a88bc87e (https://blog.infura.io/when-there-are-too-many-pending-transactions-8ec1a88bc87e)\r\n\nhttps://etherscan.io/txsPending (https://etherscan.io/txsPending)\r\n\nhttps://en.wikipedia.org/wiki/Gossip_protocol (https://en.wikipedia.org/wiki/Gossip_protocol)\r\n\nhttps://github.com/ethereum/wiki/wiki/Ethereum-Wire-Protocol (https://github.com/ethereum/wiki/wiki/Ethereum-Wire-Protocol)\r\n\n","thumbnail_width":300,"thumbnail_height":300,"thumbnail_url":"https://artwork.captivate.fm/2b8aa490-4e64-44ce-a046-1e9345e1e5ab/cover.jpg"}