....services that are paid in Bitcoin. I have always looked for such services in vain.....
You'd like to see a anti-virus that you can pay in BTC. But we're going to choose essential services that are the very best, thus method of payment is not relevant.
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MyEtherWallet also do a good job of warning you about phishing sites....
Trusting third parties in transactions is warned against in the first two lines of the summary of Satoshi Nakamoto's nine page paper. Trust a learnable method of establishing something is what you think it is. That is a general purpose skill.
https://bitcoin.org/bitcoin.pdfA purely peer-to-peer version of electronic cash would allow online payments to be sent directly from one party to another without going through a financial institution. Digital signatures provide part of the solution, but the main benefits are lost if a trusted third party is still required***
Back the simple example of procuring VPN services. We've selected a service, clicked on the Bitcoin icon, and came to a screen with a square code and a code, something about 38 characters. There's a dollar amount and an amount in bitcoin.
All that is left is raise the phone, bring up the Coinbase app, read the square code. Then one or two clicks and we'll be sending the bitcoin. Here are the issues.
A) How do we know the amount is what we want to send?
B) How do we know that the money is going to who we think it is going to?