Reply to recent comments

1. Just updated the sweep tool - https://github.com/Jpja/Sweep-XCP-Paperwallet

It's more stable now but there's still one scenario it may not work. It collects UTXO's from Bitpay (and if it does not work; it tries Blockchain.info's API). If you are blocked from both these, a transaction cannot be created. This may be the case if you're on VPN or Tor.

The signing, btw, is inside the browser, so no keys ever leave your computer.

2. To reduce fees and confirmation times, new more efficient transaction encodings are being developed. A simple send with memo will be launched soon. It will cut tx cost. Another proposal, that I really like, is MCAT. It pools together transactions so that each one takes very little space. It will cut tx fees by a lot. https://github.com/deweller/cips/blob/cip-13-mcat/cip-0013.md

3. I won't speculate on the price but can mention that on the Chinese exchange Bter XCP is currently trading for $47 in CNY. I've heard multiple warnings about Bter though, so please do your own due diligence. https://coinmarketcap.com/currencies/counterparty/#markets