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lecture: A world without blockchain

How (inter)national money transfers works

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Instant money transfer, globally without borders and 24/7. That’s one of the promises of Bitcoin. But how does national and international money transfer work in the world of banks?

I moved from the world of Bitcoin and blockchain to the world of domestic and international payments at banks. I had a lot of questions and managed to get my job moving in the place where I can learn how those things work and to get answers. In this presentation, I’m going to share what I’ve learned and I’ll help you understand something about the current payment systems that exist in the world.

The topics I’ll bring are going to present some answers to the following questions:


  • How do banks communicate?

  • Why does a payment between two banks take longer than a payment within a single bank?

  • Where is the money when it’s debited from my account, but not yet in the beneficiary account?

  • Why are international payment so expensive?

  • We can do instant payments with credit cards, how come normal bank transfer aren’t instant?