Rockstar & Avi discussing Nostr and open source business models on the BTC Prague VIP stage.




There are multiple islands on Prague's Vltava river. Families with kids will particularly enjoy Dětský Ostrov (Children's Island), which is one big playground. Entry is free!
You can find it on the west bank of the river:
When in Prague, make sure to visit Náplavka (Rašínovo nábřeží). Beautiful walk with bars along the Vltava river. Very lively place on summer nights with great atmosphere.
Apps to use in Prague: Rohlik.cz.
Rohlik is a grocery delivery service, with a great selection of goods (including grass-fed meat & organic produce) and perfect reliability. You can specify 15-minute delivery windows, and these are usually kept (unless a traffic jam happens etc).
In fact, some people in Prague (like me) never go to physical groceries anymore, as Rohlik is so convenient & reliable.
Very useful if you're staying in an Air BnB and want to cook for yourself from high quality ingredients.
Courriers accept cash (or cards).
Apps to use in Prague: Vexl.
Czechs are quite privacy-conscious, so it's only natural that one of the most ambitious p2p KYC-free apps emerged here. Vexl is a phone app giving its users a simple way to discover peers for buying & selling bitcoin locally, in a private manner.
Vexl works through a social graph based on imported phone contacts, is end-to-end encrypted, has no escrow, takes no cut of the trades. It is an open source public good.
Vexl is simply the best way to buy & sell some bitcoin in Prague, with privacy (cash-for-sats recommended to maintain the highest level of privacy).
Check it out at vexl.it

Apps to use in Prague: Qerko. You can pay in many restaurants & cafés with bitcoin through the Qerko app. When you see the logo & QR just like on the picture, you can pay with bitcoin (LN) in that place.
Though one recommendation: don't ask the staff about a bitcoin payment, they might not even know that Qerko allows bitcoin payments! The way to do it is you set up the bitcoin payment option in the Qerko app on your phone, and then you can proceed with payment (the restaurant receives fiat on their end).
Here are the links for App Store and Google Play:
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