I also wonder whether which coin has a better anonymity/privacy in terms of technicality, but I couldn't find any thoughtful explanation. It also that my lack of knowledge and experience couldn't differentiate between those two about whether what is the cons and pros. Nevertheless, I came across a post that might helpful to learn further about those coins.
~snip
Monero is not a magic black box which provides perfect anonymity! If you use eg. flyp.me to buy XMR and then quickly sell this XMR on flyp.me again, it is blatantly obvious to flyp.me what you've done (if they keep logs), both due to the amounts and the specific Monero inputs used. In order to get decent privacy, you have to do something like this:
1. Convert BTC to XMR (using your own Monero wallet, not a hosted wallet).
2. In two or more transactions of random amounts, move XMR from that wallet to a different wallet/account.
3. Optionally, you can repeat the above step with additional wallets/accounts for greater anonymity.
4. Preferably in two or more transactions of random amounts, convert the XMR in your last wallet in the chain to BTC.
Ideally, all of the above should be performed over as long a period of time as you can tolerate.
- Pros: Possibly the best anonymity, especially if you're able to stay within the XMR ecosystem to some extent
- Cons: You should use Tor with Monero, but you have to set this up manually; it's all more difficult; you're exposed to exchange rate risk; transaction fees may be significant
~snip
The State of Privacy in Cryptocurrencies - Ian MiersConclusion- We need to critically evaluate privacy vulnerabilities in cryptocurrencies
- Most privacy preserving cryptocurrencies have terrible privacy
- Decoy based approaches (Coinjoin, MimbleWimble, Monero, etc) can be attacked:
- Merchants/advertisers can track users (Overseer attack)
- Oppressive governments can identify address holders (Flashlight attack)
- We can see where people make repeated purchases (Tainted Dust attack)
- Exchanges who control
- Don't be fooled by Privacy Theater
- Usability is important
Ian Miers, @secparam, University of Maryland/Zcash foundation
Also, there's a post discussing Monero use cases (
https://bitcointalksearch.org/topic/m.57267802) on this board, but the thread lack discussion.
Did you sign up to just post that one comment? 
