# Blockchain lecture
1. хэширование

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как хэширование защищает блоки, несимметричные функции

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2. blockchain - блоки

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3. майнинг - математический пазл

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4. eventual consistency

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6. транзакции. защита от double spending

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7. оптимизиции: merkle trie

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8. smart contracts

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9. Solidity

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10. Примеры
1. Remove intermediaries. S7, facebook, clearmatics
В январе 2019 порядка 100 000 USD транзакций в месяц.
В июле 2019 - 1 000 000 USD в месяц\*
\* https://www.s7.ru/en/about/news/the-amount-of-operations-via-the-s7-airlines-blockchain-platform-and-alfa-bank-exceeded-1-million-in-july/
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2. Private money, частные деньги (Хайек Фридрих - https://royallib.com/book/hayek_fridrih/chastnie_dengi.html)
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3. Stable coin. Fiat-pegged, crypto-pegged, algorithmic (Kowala)

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4. Apps+cryptoeconomics
Плата за действия. Внутренняя валюта.

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5. Games and gambling (Arcade, corestar)

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6. World-wide transactions
7. Loans
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8. ICO, funding
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9. Distributed file systems. IPFS, swarm. (swarm)

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10. Distributed computing. Sonm.

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11. Messangers. Status.

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