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Blockchain Developers Meetup 05 - Introduction to Polkadot

Blockchain Developers Meetup 05 - Introduction to Polkadot

Milen Radkov

November 28, 2018
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  1. About me • Founder and CEO of hack.bg • Full-stack

    developer • Blockchain enthusiast and developer • Email: [email protected] • Twitter: @milen_radkov • Milen Radkov
  2. Ethereum 2.0 https://ethresear.ch/ https://ethereum-magicians.org/ More info: VM improvements - EWASM

    (https://github.com/ewasm) PoS (Casper), Beacon chain Sharding https://github.com/ethereum/eth2.0-specs/tree/master/specs/core
  3. a network that connects Blockchains is Attempting to solve problems:

    1. Interoperability 2. Scalability 3. Shared Security
  4. network • Validators - Secure the relay chain by staking

    DOTs, validating proofs from collators and participating in consensus with other validators
  5. network • Collators - Maintain parachains by collecting parachain transactions

    from users and producing state transition proof for validators.
  6. network • Fishermen - Final security frontier, they monitor the

    network and prove bad behaviour to validators
  7. mkdir -p /home/<youruser>/polkadot-data Step 3: docker run --rm -it -p

    30333:30333 -p 9933:9933 -v / home/<youruser>/polkadot-data/:/data chevdor/ polkadot:latest polkadot
  8. Step 4: docker run --rm -it -p 30333:30333 -p 9933:9933

    -v / home/<youruser>/polkadot-data/:/data chevdor/ polkadot:latest polkadot --name "hackbg"
  9. Now what? Dashboard and Monitoring:
 http://telemetry.polkadot.io http://gav.polkadot.io/ https://poc-2.polkadot.io/#/explorer (All hosted)

    https://polkadot.js.org/apps/#/explorer (need local node) https://polkadot.js.org/apps/next/#/explorer