S11 E10 · 45:31 · 20 Jul 2022
S11 E10: Sergej Kotliar on Bitrefill, Saving Bankers & Bitcoin Shoes
Released at block 745,691
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As the CEO of Bitrefill, Sergej Kotliar has been offering a steady, predictable, reliable & seemingly-boring service for 7 years. However, Bitrefill is anything but boring: these days, the gift card company is trying to save the bankers & make NBA shoes!
Verify this episode
This is the SHA-256 fingerprint of the MP3 as published here, timestamped in the Bitcoin blockchain with OpenTimestamps. If one byte of the file changes, the fingerprint changes.
- SHA-256
6df18f95887fd2750fe407c81d5753cd59e3f9cc35f71cf155e8803209db99aa- Proof
- 2022-07-20_s11_e10_sergej_kotliar_on_bitrefill__saving_bankers__bitcoin_shoes.mp3.ots · all episode hashes (proof)
- Status
- Anchored in Bitcoin block 974,312
How to check it yourself
- Download the MP3 and the proof into the same folder.
- Run
sha256sum 2022-07-20_s11_e10_sergej_kotliar_on_bitrefill__saving_bankers__bitcoin_shoes.mp3(on a Mac:shasum -a 256 2022-07-20_s11_e10_sergej_kotliar_on_bitrefill__saving_bankers__bitcoin_shoes.mp3). The result must match the SHA-256 above. - Install the OpenTimestamps client (
pip install opentimestamps-client) and runots verify 2022-07-20_s11_e10_sergej_kotliar_on_bitrefill__saving_bankers__bitcoin_shoes.mp3.ots. It hashes the MP3 again and checks the proof against your own Bitcoin node, then prints the block and the date the file existed by. Without a node,ots info 2022-07-20_s11_e10_sergej_kotliar_on_bitrefill__saving_bankers__bitcoin_shoes.mp3.otsshows the block height to look up in any block explorer.
