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Bitcoins !

Bitcoins !

Bitcoins !. Jim Coman. james@coman.com www.coman.com/bitcoin Not licensed to give financial advice; There is no financial advice contained herein Not a lawyer; There is no legal or tax advice herein Nothing here is designed to help you avoid paying taxes

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1.13k views • 94 slides
Jay Wigdore Az| Best Payment Processing |Mastercard Processing

Jay Wigdore Az| Best Payment Processing |Mastercard Processing

They believe in assumption of High Risk! No Problem. gopaymentpros.com help high risk merchants find the best payment processing options for their retail and e-commerce businesses. Through a diverse network of domestic and offshore banking partners, they can help your business earn a fast approval and start accepting online credit card payments

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1.05k views • 94 slides
Bitcoin 411 by Jim Coman FYI james@coman coman/bitcoin

Bitcoin 411 by Jim Coman FYI james@coman coman/bitcoin

Bitcoin 411 by Jim Coman FYI james@coman.com www.coman.com/bitcoin. Bitcoin. Is a global currency (symbol BTC) Very different from fiat currencies Around since January of 2009 Not issued by any entity Peer-to-peer / decentralized Trading over the internet Protocol is open source

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1.22k views • 93 slides
Low Level Machine

Low Level Machine

Low Level Machine. Low Level Machine. Bit A bit is a Binary Digit, either a 0 or a 1. Byte A group of eight bits is called a byte. Kilobyte (Kb) One Kilobyte = 1024 bytes 2 10 =1024 (2x2x2x2x2x2x2x2x2x2 = 1024) Megabyte (Mb) One Megabyte = 1024 Kbytes

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267 views • 13 slides
The Diffie -Hellman protocol

The Diffie -Hellman protocol

Online Cryptography Course Dan Boneh. Basic key exchange. The Diffie -Hellman protocol. Key exchange without an online TTP?. Goal : Alice and Bob want shared secret, unknown to eavesdropper

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336 views • 10 slides
VERSION

VERSION

32 Bits. 256 Bits. 256 Bits. 32 Bits. 32 Bits. 32 Bits. 384 Bits. NONCE. TARGET. VERSION. TIME. hashMerkleRoot. hashPrevBlock. Padding + Length. 512 Bits. 512 Bits. IV 256 Bits. 256 Bits. 256 Bits. SHA256 0. SHA256 Hashing Algorithm. Padding + Length. H1. 512 Bits.

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210 views • 6 slides
A Gentle Introduction to Cryptography

A Gentle Introduction to Cryptography

The increasing incidence of identity thefts, credit card frauds, social engineering attacks, the digital world is facing challenges in the years ahead.

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78 views • 5 slides

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