Show HN: rePOWCHA – CAPTCHA that stops Humans, powered by crypto

Re:Show HN: rePOWCHA – CAPTCHA that stops Humans, powered by... by londons_explore on Friday January 15, 2021 @10:29AM (#25792009)

I consider myself quite competent on this crypto stuff... Yet it would still take me substantial effort to find some Litecoins... I'd have to find an exchange, set up a wallet, etc.

Why not just use bitcoin or lightning channels?

And if you want this service to really succeed, you need a place to just paste a credit card and have it do a preauth...

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Re:Show HN: rePOWCHA – CAPTCHA that stops Humans, powered by... by repartix on Saturday January 16, 2021 @11:33AM (#25803290)

How did you find your Bitcoins? Just as you setup a wallet for Bitcoin, you can can setup a wallet for Litecoin.

An easy wallet to try is Coinomi. It's an app that installs on your phone and has a built-in exchange. Here are some links to install it:

Coinomi on iOS https://apps.apple.com/us/app/coinomi-wallet/id1333588809

Coinomi on Android https://play.google.com/store/apps/details?id=com.coinomi.wa...

If you're looking for a Litecoin wallet for the desktop, try Electrum-LTC https://electrum-ltc.org/. After you create a wallet, you can exchange some Bitcoins for Litecoins through https://swapspace.co/

I don't know much about lightning network channels. I'll look into it. Thanks!

On using a credit card, I built something similar that could take a credit card through Stripe. The problem there is people are a bit reluctant to type in their credit card number, in case the number gets stolen. Crypto is safer for this because the private key stays with the user on their phone or desktop wallet. Also, pasting the credit card, expiration, and your name takes longer than scanning a QR code with your phone.

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