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Blockchain

Blockchain. Jan H. Jansen E-mail: i nfo@business-opportunity-russia.com. Source: https:// bitcoincharts.com/charts/bitstampUSD#rg1460ztgCzm1g10zm2g25zi2gROCzcv Date: 13 Dec 2017. Source: https:// bitcoincharts.com/charts/bitstampUSD#rg1460ztgCzm1g10zm2g25zi2gROCzcv Date: 13 Dec 2017.

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Blockchain

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  1. Blockchain Jan H. Jansen E-mail: info@business-opportunity-russia.com

  2. Source: https://bitcoincharts.com/charts/bitstampUSD#rg1460ztgCzm1g10zm2g25zi2gROCzcv Date: 13 Dec 2017

  3. Source: https://bitcoincharts.com/charts/bitstampUSD#rg1460ztgCzm1g10zm2g25zi2gROCzcv Date: 13 Dec 2017

  4. Bit Coin Data (https://bitcoincharts.com/charts/bitstampUSD#rg1460ztgCzm1g10zm2g25zi2gROCzcv, Date: 13 Dec 2017)

  5. Bit Coin Data (https://bitcoincharts.com/charts/bitstampUSD#rg1460ztgCzm1g10zm2g25zi2gROCzcv, Date: 13 Dec 2017) Relative change?

  6. Bit Coin Data (https://bitcoincharts.com/charts/bitstampUSD#rg1460ztgCzm1g10zm2g25zi2gROCzcv, Date: 13 Dec 2017) Relative change of 4714.8%

  7. Bit Coin Data (https://bitcoincharts.com/charts/bitstampUSD#rg1460ztgCzm1g10zm2g25zi2gROCzcv, Date: 13 Dec 2017) Relative change of: 4814.80 = 100 * (1+p/100)^6 = 90.73%

  8. Bit Coin Markets • Spot market • Future market • Subday 10 December 2017: The Chicago Board Options Exchange launchedfuturestradingforbitcoin

  9. What are futures? Futurescontractsallowinvestorstoagreetobuy a certainamount of a commodity, bond or share at a specificprice at a designated time in thefuture, hencethe name. It means investorscan bet on whethertheybelieve a particular commodity – in this case bitcoin – willrise or fallby a specifiedfuture date. They are generallyused in commodity marketstohedgeagainst major fluctuations in prices, such as unexpectedweatherconditionshittingcrops. But they are also well established in equitymarkets, withtrading on individual companies and indices such as the FTSE 100 and S&P 500. There are risks, mainlywheninvestorsusedebttofinancetheirfuturesspeculation andtheir bet goesthe wrong way. Source: www.theguardian.com

  10. Cboe XBT Bitcoin Futures Trading Data(Source: http://cfe.cboe.com/cfe-products/xbt-cboe-bitcoin-futures, 13 December 2017)

  11. Cboe XBT Bitcoin Futures Bitcoin futures are now available for trading on the Cboe Futures Exchange, LLC (CFE). CFE launched trading in Cboe bitcoin futures on December 10 under the ticker symbol "XBT" (contract specifications | fact sheet.) This brings many benefits to traders, including transparency, efficient price discovery, deep liquidity and centralized clearing. XBTSM futures provides a centralized marketplace for participants to trade based on their view of bitcoin prices, gain exposure to bitcoin prices or hedge their existing bitcoin positions. (Source: http://cfe.cboe.com/cfe-products/xbt-cboe-bitcoin-futures, 13 December 2017)

  12. Cboe XBT Bitcoin Futures (Source: http://cfe.cboe.com/cfe-products/xbt-cboe-bitcoin-futures, 13 December 2017)

  13. Bitcoin Exchanges & Wallet (Source: bitcoin.com)

  14. Risks • No central bank involved • Price volatility (what / who is determing the value in terms of $ or €?) • Illegal activities • Gambling • Drugs • Dark room (of the internet) • Etc

  15. Blockchain

  16. A blockchain, originally block chain, is a continuously growing list of records, called blocks, which are linked and secured using cryptography. Each block typically contains a hash pointer as a link to a previous block, a timestamp and transaction data.By design, blockchains are inherently resistant to modification of the data. Harvard Business Review defines it as "an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way." For use as a distributed ledger, a blockchain is typically managed by a peer-to-peer network collectively adhering to a protocol for validating new blocks. Once recorded, the data in any given block cannot be altered retroactively without the alteration of all subsequent blocks, which requires collusion of the network majority. Source: https://en.wikipedia.org/wiki/Blockchain

  17. Source: http://www.blockchain-lab.org/#publications

  18. Hash code • Example: 6b1f6fde5ae60b2fe1bfe50677434c88 Source:https://en.wikipedia.org/wiki/Blockchain#/media/File:Bitcoin_Block_Data.svg

  19. General ledger of company X Liabilities Assets Accounts payable (A/P) Link to supplier Y Cash Accounts receivable (A/R) Link to customer Z

  20. General ledger of company Z (customer) Liabilities Assets Accounts payable (A/P) Link to supplier X Cash Accounts receivable (A/R) Link to customer …

  21. General ledger of company Y (supplier) Liabilities Assets Accounts payable (A/P) Link to supplier … Cash Accounts receivable (A/R) Link to customer X

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