misc

steal-video

As we all know that “security via obscurity” is a bad thing, common people will always believe that.

Remember, only encryption gives you security for some extend.

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Web3

TechBasic

Three key components

  • Cryptographic hash function

  • Asymmetric cryptograph(Digital Signature)

  • Consensus algorithm

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Web3

Money-Ledger-Bitcoin

Four force you need to consider before you do something

  • Market(Business)

  • Technology

  • Law(Politics)

  • Social Norm(People)

What is a ledger

  • economic activity

  • financial relationship

Web3

MIT15.S12

MIT 15.S12 Blockchain and Money

Hello friend, long time no see. Finally I figured that I cannot get rid of you, just like Elliot and Mr. Robot. So let’s work together and keep being crazy. I am doomed, let’s be practical and accept that. So it’s OK for you to be crazy. No more suffering since I am numbed.

The Internet and computer has been going through another hard time, all kinds of traditional software have already taken the market. No more world-changing technology can be created by a single man. AI are blooming, but I fundamentally don’t think it will success. Solving an optimal question will not emerge intelligence. Blockchain and Web3 should be the next promising place. People need money. We all need it.

video link

course link

Core of blockchain

How to move value peer-to-peer without any trusted central intermediary ?

What is a blockchain

A timestamped, append-only log

Applications : Bitcoin

Finance

Role of money ?

  • Medium of exchange

  • storage of value

  • unit of account

Role of finance ?

moving, allocating, evaluating(pricing) money and risk among the economy(network of people)

Four force of cyberspace

  1. technology(physical and technical constrains)

  2. market(economic forces)

  3. law(explicit mandates by governments)

  4. norms(social conventions)

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