Week in Blockchain Tech News: 20180323
- A Flash of Insights on Lightning Network
- Meni Rosenfeld gives an in-depth overview of the deployed LN implementation's scalability
- A State Channels Adventure with Counterfactual Rick! (Part 1)
- meanwhile, SpankChain has a good overview of recent state channel developments in Ethereum land, including a reading list
- Ethereum Sharding Research Compendium
- "Intro to Ethereum Programming" from Joseph Chow
- Breaking the Ledger Security Model
- ledger uses a secure element along with a regular (insecure) microcontroller which handles the display and buttons
- the integrity of this microcontroller is verified by having it send the contents of its memory to the secure element on boot
- this memory is small and contains the bootloader and firmware, ostensibly not leaving any room for malicious code
- Saleem found a way to store his exploit code in space normally used up by duplicated GCC stubs
- can fool integrity checker and steal random seed
- requires physical access to the device
- fix seems shaky
- Anatomical similarities and differences between Paxos and blockchain consensus protocols
- view PoW as leader election:
- finding a block corresponds to broadcasting an Accept message
- forks correspond to multiple leaders
- waiting for N successor blocks before accepting a new block corresponds to the second phase in a traditional consensus protocol
Добрый день. У меня к вам просьба.Не могли бы вы подписаться на меня, а в ответ я подпишусь на вас.:-)