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    區塊鏈產業與開源文化的交集:信任以及共識 - Charles === ###### tags: `COSCUP2020` `入門` `TR409-2` {%hackmd 7CD4pdKQTa2p6Y3VqH3VrQ %} ## 區塊鍊是什麼? * 分散式系統 * 礦工 = 願意貢獻資源的人,但還是有獎勵 * 獎勵制度:為了鼓勵大家來挖礦 去中心化讓大家都可以加入這個網路 比特幣原本的設計非常單純,只有帳本(本質上就是付錢、匯錢)的功能,跟其他區塊鏈技術比起來發展空間較少。 所以之後才有 Ethereum 區塊鏈出現。 ### 智能合約 Smart Contract (Ethereum) * 區塊鍊 2.0 * 區塊鍊不再只能記帳 * 區塊鍊的應用 Dapps (去中心化的應用程式) * 被隔離在 EVM (Ethereum Virtual Machine) ## 跟開源有什麼關係? * 貨幣系統需要信任 (傳統上是由某些有力的單位保證,例如政府) * 區塊鏈解決信任的方式為加密機制、game treory and ther consistency of Dapp result,而且 source code 都必須要開源才有信任度 * client node 需要說服使用者 [Ethereum client node by go](https://github.com/ethereum/go-ethereum) ### Dapp 需要透明 * 金融的應用必須是公開的大家才會信任 * Dapp 因為會上鏈所以就會 open-source,那我要怎麼保護這些? * 著作權 * 商業 model,會配合代幣 (token) 做保護 * 維護,因為變化很快,好好維護很重要 ### 共識 * 共識演算法 意見分歧的時候,某些人會自己 fork 出去(有點像 linux distrubution) ### 哲學 * 鼓勵合作 * 開源使人們一起合作 * 礦工讓整體系統更值得信任(當然還是有獎勵) * 自由 * 沒有審查 * 自主性,你的資產你自己主控 * 傳遞價值的網路 * 開放與透明度 * 開放金融 (像是 Ethereum Defi) ## AMIS open source ### Alice [Alice Github](https://github.com/getamis/alice) 解決傳統多簽問題,Alice 用一把 private key 切成多碎片 ,要使用的時候把 key 碎片拼起來使用。 之後可以把 key 每一個碎片分別規劃權重,一定要其中權重高的 key 碎片才可以簽下去。 ## Vishwakarma [Vishwakarma Github](https://github.com/getamis/vishwakarma) 可以快速創建自架 Kubernetes 的 IaC。 Base on Terraform

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