Blockchain for IoT identity brokering

Patrik Ekdahl, Ericsson Research

type1.public blockchains. (currecy)

peer to peer network,

transactions,

ledger,

So the miners dig from the p2p network, and try to use those transactions ledgers by linking the blocks by hash value. 

bitcoin is proof of work, then reward the miners.

type 2. permissioned blockchains, (real world assets.)

authenticated workers are allowed to join,

consensus not necessary to prrof of work.

digital identities,

identifiers,

credentials, issuers will link these two elements.

policy of use.

演說者舉例說

他來台湾一个星期、他有7帳号密碼要處理(飛機、住宿、交通)

能否有certifier 處理他這个identifier 在台湾許多不同issuers 所發出的帳號密碼credentials.

Smart contracts are necessary.