bitcoin and blockchains for beginners - sample presentation
TRANSCRIPT
Bitcoin
https://www.weusecoins.com/en/
• Digital currency – doesn’t exist physically• Decentralized – not controlled or issued by
any bank, government, or company• Peer-to-peer – completely run & supported
by individuals on computers worldwide
Bitcoin
• Invented in 2009 by Satoshi Nakamotohttps://bitcoin.org/bitcoin.pdf
• Open-Source – code is viewable by anyonehttps://github.com/bitcoin/bitcoin
• Bitcoin miners “create” new bitcoins by “securing” transactions; can also earn small fee by verifying transactions- originally individuals, now pools
• 21 million bitcoins total – we’re a bit over 14m so far
How to use Bitcoin
• Expedia• Dell• Overstock• Rakuten• Amazon (via Purse.io)
• Bitcoin ATMs worldwide
• Gyft cards
How Bitcoin is used
• Speculation (trading)• Purchases & payments (Top: coffee/food,
electronics, phone bills, travel, poker/betting, gaming)
• Tipping (ChangeTip)• Donations– BitGive Foundation - http://bitgivefoundation.org– WikiLeaks - https://shop.wikileaks.org/donate– Khan Academy - https://www.khanacademy.org/donate
• Micropayments via Twitter, Reddit, Facebook, Github, YouTube, Slack, Wordpress, Google+, Tumblr, SoundCloud, more
• Connect bank account/credit card (US)• Charity donations• Follow me on Twitter @CaterinaRindi for $1
Bitcoin Wallets
Blockchain•can send bitcoin via email, SMS, Facebook•has a phone app (iOS + Android)•“Shared Coin” mingles transactions
https://blockchain.info/wallet
Bitcoin Wallets
Coinbase•link US/UK/EU (SEPA) bank accounts•can link credit card (Visa/MC)•1% fee on buy/sell bank transfers•can send/request bitcoin via email address•has a phone app (iOS + Android)•“Vault” secure
https://www.coinbase.com/join/crindi
Bitcoin Merchant accountsBitpay (33 countries) - https://bitpay.comCoinbase - https://www.coinbase.com/join/crindi
Coinify (Europe) - https://www.coinify.com/
Two Factor Authentication
Two Factor AuthenticationClef
Buy/Sell/Earn Bitcoin
Purse.io (via Amazon) - https://purse.io/
LocalBitcoins - https://localbitcoins.com/
Bitcoin Meetups – in-person buy/sell
BitWage - https://www.bitwage.co/
ATM: http://www.coindesk.com/bitcoin-atm-map
Buy/Sell BitcoinExchanges
Bitstamp (US/Europe) https://www.bitstamp.netBitVC (China) - https://www.bitvc.com/BTC-E (US/EU/Russia) https://btc-e.comCex.io (US/Europe) https://cex.io/Coinbase (US/UK) https://exchange.coinbase.comKraken (US/EU/Japan) https://www.kraken.comQuadriga (Canada) https://www.quadrigacx.com
Alt Coins
• Dogecoin - DOGE• Litecoin - LTC
App Coins• Counterparty – XCP• Ethereum - ETHER• Maidsafe – Safecoin• Storj – SJCX• Swarm – SWARM
Bitcoin Resources
Blockchain - https://blockchain.info/CoinAcademy - http://coinacademy.co/CoinMarketCap - http://coinmarketcap.com/WeUseCoins - https://www.weusecoins.com/ZeroBlock - https://zeroblock.com/Bitfilm - http://www.bitfilm.com/festival_films.html
The Blockchain
Public ledger = secure record-keeping system
https://blockchain.info/
The Blockchain
Potential 2.0 (ledger) uses: •contracts•private records - mortgages, loans, etc•public records - vehicle registrations, ID, etc•crowdfunding (Swarm)
Blockchain 3.0 - programmable units•smart contracts & smart property – if this then that
– e.g. inheritance at age 18
