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WEB3, PLAINLY · Ep. 4

The Postbox

Why can't you undo a transaction, even a second later?

The film asks: Have you ever sent to the wrong address? · Once / Never / Almost

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What it says
  1. Why can't you undo a transaction, even a second later?
  2. Because the ledger has no back page. Every block is written on top of the last.
  3. Ask a bank and a person can reverse it. Ask the chain and there is no one to ask.
  4. It's a postbox with no door. Once the letter drops, it belongs to the post.
  5. So check the address twice. The chain won't.
  6. Have you ever sent to the wrong address?

04). A rainy street. A red postbox with no door. Across the road, a bank counter where a clerk can pull a letter back. The ledger is a stack of pages, each written on top of the last, with no back page. You drop a letter; a second later you reach for it: there is no door. Check the address twice. The chain won't.

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