Bitcoin 101 – Uma introdução às criptomoedas

Fabrício Vargas Matosfabricio@qualidata.com.br

Apresentação

• Computer Science (BSc, MSc)

• CEO @ QUALIDATA• Chief Scientist @ Instituto

Bitcoin

Conecte-se ao grupo BitcoinVitoria

https://www.facebook.com/groups/bitcoinvitoria/

http://www.meetup.com/BitcoinVitoria/

Introdução

https://nativemerchantservices.com/biggest-moments-in-bitcoin-history/ (Jan-2015)

https://blockchain.info/charts/market-price?timespan=2year

https://blockchain.info/charts/n-transactions?timespan=all

Prática – Receber e Enviar

https://bitcoin.org/pt_BR/escolha-sua-carteira

https://blockchain.info/address/17RMn3uBA9JCCdqtuPHucWsUWbm7cUu8dQ

https://xapo.com/

https://in.xapo.com/campaign/debit/

Exchangers – Comprar/Vender

https://foxbit.exchange/ https://www.mercadobitcoin.com.br/ https://www.bitinvest.com.br/ https://www.bitcointoyou.com/

http://www.bitcoinnews.com.br/bitcoinbrasil/como-comprar-bitcoins/

https://bitreserve.org https://bitpay.com/

Transações e Blockchain

https://blockchain.info/address/39coweGgC8CPZ6hYL1BBEfc1zqbSfHsprW

https://blockchain.info/tx-index/92532044

https://bitinfocharts.com/top-100-richest-bitcoin-addresses.html

https://blockchain.info/decode-txhttps://coinb.in/#verify

Transações e Blockchain

https://blockchain.info/decode-txhttps://coinb.in/#verify

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

https://blockchain.info/pt/unspent?active=3Q9ovFSZ77r4UPfDNdCyJqaQznmzxWxDGU

Principais Tipos de “Script”

• P2PK (Pay to public-key)• P2PKH (Pay to public-key hash)• Multsig (M-of-N signature)• P2SH (Pay to script hash)

P2PKH Output Script

OP_DUP OP_HASH160 f80d3619702fa5838c48391859a839fb9ce7160f OP_EQUALVERIFY OP_CHECKSIG

P2SH Output Script

OP_HASH160 3399bc19f2b20473d417e31472c92947b59f95f8 OP_EQUAL

Mineração

https://blockchain.info/charts/hash-rate?timespan=2year

https://blockchain.info/charts/miners-revenue?timespan=2year

Outras Criptomoedas

http://coinmarketcap.com/

https://www.youtube.com/user/ethereumproject