Unfortunately any centralised system needs trust. In this particular case though the users can start with small amounts. One tangible proof that I’m not leaving tomorrow is the onion address. It took me 4 days and quite a bit of Google Compute funding to brute force a good address that is somewhat resistant to phising attacks.
Feed from exchanges. The actual, as opposed to indicative, rate is the rate at 10 confirmations of ZCash deposit. BTC is sent immediately after that.
Clearnet webiste is behind Cloudflare, unfortunately, for DDoS protection. However users can also use Tor address removed by op. Tor and Tor Browser anonymizes users, this means the only information stored on the server is the information given in the form.
ZCash obscures any blockchain links. Temporal link (transaction going in, transaction going out) is mitigated by batching deposits up to maximum order value (0.15 BTC currently)
Z-addresses are resistant to this attack. Unlike T-addresses you can’t associate a transaction with a Z-address that you don’t own a key for.
It is my understanding that there is a general permission for
USE OF TRADEMARKS TO INDICATE ACCEPTANCE OF OR SUPPORT FOR THE ZCASH CRYPTO-CURRENCY
You may use the Word Marks and the Logos to indicate that you accept payment in the Zcash cryptocurrency, or that your product or service supports the Zcash cryptocurrency. Our Word Marks should be used in a way that makes the nature of the acceptance of or support for the Zcash cryptocurrency clear. Some examples of acceptable use include:
We accept payment in Zcash
[Your product or service] supports Zcash
Buy or Sell Zcash on [Your product or service]