> <@anonmon777:matrix.org> My questions:
> Hello, my brain has accumulated some questions about Monero, which I now want to ask in this awesome forum:
> 1) What is the best PHP (private, stable, good documented, efficient, secure) library for reviving Monero?
> 2) What is the best NodeJS (private, stable, good documented, efficient, secure) library for reviving Monero?
> 3) I have heard about the Janus attack. It is basically a way to match multiple sub-addresses by constructing payments to be received only when both addresses match. Is this correct? How does this type of construction work? What is the cryptography bind it?
> 4) Is the Janus attack a threat to a public site that revives Monero payments (in sense of customer privacy)?
> 5) The second option - besides sub-addresses - is to use integrated addresses. Is there any advantage to using one over the other? I know that anyone can reconstruct the original Monero address by "subtracting" the payment ID. Can using the integrated Monero address be harmful to a public site (in sense of customer privacy)?
> 6) Are there big performance differences between waiting (scanning) for payments on sub-addresses or integrated addresses (speaking about lots of payments)?
> 7) Is there a transaction field where I can put custom data? I'm pretty sure there is one. Is this field encrypted? How can I create the custom data field? How can I see the custom data? Is it possible to create/view the field with the GUI? How much data can the custom field contain?
> 8) If I am totally wrong about question 7: Is there a other way to send and receive private messages on the Monero? I am speaking about really small chunks of data (below 32 byte).
> 
> Thanks.

Hey community. Please answer my questions.