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[EN] The Book of Satoshi by Phil Champagne (beta)
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  • The Book of Satoshi : The Collected Writings of Bitcoin Creator Satoshi Nakamoto by Phil Champagne
  • About the Cover Picture
  • Acknowledgements
  • Who This Book is Intended For
  • Foreword
  • 1. Introduction
  • 2. How and Why Bitcoin Works
  • 3. The First Post on Crypto Mailing List
  • 4. Scalability Concerns
  • 5. The 51% Attack
  • 6. About Centrally Controlled Networks Versus Peer-to-Peer Networks
  • 7. Satoshi on the Initial Inflation Rate of 35%
  • 8. About Transactions
  • 9. On the Orphan Blocks
  • 10. About Synchronization of Transactions
  • 11. Satoshi Discusses Transaction Fees
  • 12. On Confirmation and Block Time
  • 13. The Byzantine General's Problem
  • 14. On Block Time, an Automated Test, and the Libertarian Viewpoint
  • 15. More on Double Spend, Proof-of-Work and Transaction Fees
  • 16. On Elliptic Curve Cryptography, Denial of Service Attacks, and Confirmation
  • 17. More in the Transaction Pool, Networking Broadcast, and Coding Details
  • 18. First Release of Bitcoin
  • 19. On the Purpose For Which Bitcoin Could Be Used First
  • 20. "Proof-of-Work" Tokens and Spammers
  • 21. Bitcoin Announced on P2P Foundation
  • 22. On Decentralization as Key to Success
  • 23. On the Subject of Money Supply
  • 24. Release of Bitcoin Vo.1.3
  • 25. On Timestamping Documents
  • 26. Bitcointalk Forum Welcome Message
  • 27. On Bitcoin Maturation
  • 28. How Anonymous Are Bitcoins?
  • 29. A Few Questions Answered By Satoshi
  • 30. On "Natural Deflation"
  • 31. Bitcoin Version 0.2 is Here!
  • 32. Recommendation on Ways to Do a Payment for An Order
  • 33. On the Proof-of-Work Difficulty
  • 34. On the Bitcoin Limit and Profitability of Nodes
  • 35. On the Possibility of Bitcoin Address Collisions
  • 36. QR Code
  • 37. Bitcoin Icon/Logo
  • 38. GPL License Versus MIT License
  • 39. On Money Transfer Regulations
  • 40. On the Possibility of a Cryptographic Weakness
  • 41. On a Variety of Transaction Types
  • 42. First Bitcoin Faucet
  • 43. Bitcoin 0.3 Released!
  • 44. On The Segmentation or "Internet Kill Switch"
  • 45. On Cornering the Market
  • 46. On Scalability and Lightweight Clients
  • 47. On Fast Transaction Problems
  • 48. Wikipedia Article Entry on Bitcoin
  • 49. On the Possibility of Stealing Coins
  • 50. Major Flaw Discovered
  • 51. On Flood Attack Prevention
  • 52. Drainage of Bitcoin Faucet
  • 53. Transaction to IP Address Rather Than Bitcoin Address
  • 54. On Escrow and Multi-Signature Transactions
  • 55. On Bitcoin Mining as a Waste of Resources
  • 56. On an Alternate Type of Block Chain with Just Hash Records
  • 57. On the Higher Cost of Mining
  • 58. On the Development of an Alert System
  • 59. On the Definition of Money and Bitcoin
  • 60. On the Requirement of a Transaction Fee
  • 61. On Sites with CAPTCHA and Paypal Requirements
  • 62. On Short Messages in the Block Chain
  • 63. On Handling a Transaction Spam Flood Attack
  • 64. On Pool Mining Technicalities
  • 65. On WikiLeaks Using Bitcoin
  • 66. On a Distributed Domain Name Server
  • 67. On a PC World Article on Bitcoin and WikiLeaks Kicking the Hornet's Nest
  • 68. Satoshi's Last Forum Post: Release of Bitcoin 0.3-19
  • 69. Emails to Dustin Trammell
  • 70. Last Private Correspondence
  • 71. Bitcoin and Me (Hal Finney)
  • 72. Conclusion
  • Bitcoin: A Peer-to-Peer Electronic Cash System
  • Terms & Definitions
  • Index
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36. QR Code

Previous35. On the Possibility of Bitcoin Address CollisionsNext37. Bitcoin Icon/Logo

Last updated 12 months ago

36

QR Code

TWO CONVERSATIONS related to QR code for mobile phones came up. Based on an original suggestion from user ec on the forum, Satoshi suggested using QR code for the bitcoin address for payments at point of sale, a common practice today.

Re: URI-scheme for bitcoin

Satoshi Nakamoto February 24, 2010 05:57:43 AM

That would be nice at point-of-sale. The cash register displays a QR-code encoding a bitcoin address and amount on a screen and you photo it with your mobile.

Re: Bitcoin mobile

Satoshi Nakamoto February 24, 2010 05:57:43 AM

Quote from: sirius-m on June 10, 2010, 01:51:16 PM

You can of course use services like vekja.net or mybitcoin.com on a mobile browser, depositing money there to the extentyou trust them.

I think that’s the best option right now. Like cash, you don’t keep your entire net worth in your pocket, just walking around money for incidental expenses.

They could make a smaller version of the site optimized for mobile. If there was an app, it could be a front end to one of those, withthe main feature being QR-code reader, or maybe there’s alreadya universal QR-code reading app that web sites can be designed to accept scans from.

If there was an iPhone app that was just a front end for vekja or mybitcoin, not a big involved P2P, would apple approve it and if not, on what basis? It could always be an Android app instead. An app is not really necessary though, just a mobile sized website.

A web interface to your own Bitcoin server at home wouldn’t be a solution for everyone. Most users don’t have a static IP, and it’s too much trouble to set up port forwarding.

https://bitcointalk.org/index.php?topic=177.msg1814#msg1814