Quick bitcoin intro, bitcoin shortcomings for nanopayments, explanation of bitcoin payment channel smart contract, SatoshiPay's solution and future plans. Winning pitch at EiG TotallyGaming competition (11 start-up pitches), Berlin, 22 Oct 2015

1. @meinharrd | @SatoshiPay
A new way to pay for digital goods.

2. Bitcoin?

3. The Artist Also Known As Blockchain
(TAAKAB)

4. No chain without coin

5. Digital currency

6. Money over IP

7. Decentralised and open source

8. Programmable money

9. Very low transaction fees

10. Micropayments

11. Micro not small enough

12. Nanopayments

13. 1c or less

14. Bitcoin nanopayment shortcomings

15. Not instant: up to 60 minutes

16. Blockchain bloat

17. Relatively high fees

18. Solution: Smart Contracts

19. Computer protocol for value transactions

20. Example: Bitcoin Payment Channel

21. Sender Recipient

22. Sender Recipient
Tx

23. Sender Recipient
Tx

24. Sender Recipient
Escrow

25. Sender Recipient
Escrow
Funding Tx

26. Sender Recipient
Escrow
Funding Tx
Refund Tx

27. Sender Recipient
Escrow
Funding Tx
Refund Tx
Payout Tx
Negotiation

28. Sender Recipient
Escrow
Funding Tx
Refund Tx
Signature
Payout Tx
Signature
Negotiation

29. Sender Recipient
Escrow
Funding Tx
Refund Tx
Payout Tx
Signature
Payout Tx
Signature
Negotiation

30. Sender Recipient
Escrow
Funding Tx
Refund Tx
Payout Tx
Signature
Payout Tx
Bitcoin Network
Signature
Negotiation

31. Sender Recipient
Escrow
Funding Tx
Refund Tx
Payout Tx
Signature
Payout Tx
Bitcoin Network
Signature
Negotiation
Payment Channel

32. SatoshiPay Nanopayments

33. Monetise digital content in tiny increments

34. Paywall

35. Top up

36. Pay and read

37. Next website

38. Pay and read

39. No download or sign-up for the user

40. Happy users = happy merchants

41. Little willingness to pay?

42. Future

43. 2-way payments

44. More top-up methods

45. IoT: machine-to-machine payments

46. Public charging stations

47. Autonomous sensors

48. Sky is the limit (or is it?)

49. @SatoshiPay
Thanks!