I didn't quite understand what is XRANDOM? Is there a guide? With the new update more types of private keys are supported.
- Can the private keys be imported offline now?
- Is the license related issues fixed?
- Why is it only supporting 10 addresses/wallet? If you can't change that option(10 addresses/wallet), atleast make an option to delete addresses or archive it.
- Please provide value of BTC for all currencies
- Please implement an option to sign transaction from a paper wallet and to push it, after that all details will be deleted. You can check Mycelium github repo for source code.
- Does watch only supports addresses other than the addresses in Bither cold?
Thanks!
~~MZ~~
Dear MZ,
XRANDOM is a TRNG (True Random Number Generator) solution provided by Bither. When generating a new private key, XRANDOM will gather entropy from different kinds of sensors of your mobile phone (e.g. : camera, microphone, gravity sensor......), these will give user true randomness. After gathering enough entropy, Bither will combine the result with Kernel's SecureRandom (e.g. : /dev/urandom on linux) and return final random number.
XRANDOM has these advantages :
1. True Randomness;
2. even one of the two random source fail, the final result is still safe;
3. cheap (you donot need to buy hardware random number generator);
4. simple.
If you want to import private keys offline, you can import to the Bither Cold Wallet, and use the Hot Wallet to monitor the newly imported addresses.
We had added license in related files.
Bither Hot Wallet support 10 "hot" addresses and monitoring 100 "cold" addresses. We set these limits cause of the performance consideration on mobile platform. Because the new version (Bither v1.1.1) will improve a lot in battery usage and network data usage, we may upgrade these limits in future ASAP.
We may try to support addresses managements (delete/archive) in a safe way.
We will add more currencies in the future version.
Thanks for your advice on paper wallet, we will think through it.
Currently, the watch-only mode only supports Bither Cold Wallet's address, because of the SPV mode and decentralized. For a central service, it's easy to implement watch-only on any addresses, because all data are on their server.
Thanks again for your advices, all these advices will help our team a lot.
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Why I asked about deleting/archiving is because I generated 10 hot addresses when I found that we can't generate more than that, so I just want to make it sure, but now it is impossible to undo it unless you add the feature. I will try to import private key, somehow it might work. And, please show the a progress bar like for syncing because my address has received some BTC though it isn't received in wallet. So it will be good if we know how mouch time is left to sync and also you haven't added the value of 'low' & 'high' fees, please add that too. Thanks! 
