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Questions tagged [wallet-development]

The tag has no usage guidance.

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Hi I just found a bug and I lost my copay wallet now [closed]

My device: iPhoneXR I saw an enable fingerprint button in setting page and i clicked it and they havent ask any question about fingerprint/pinID Since I'm using iPhoneXR so that No any fingerprint in ...
2
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1answer
82 views

A NodeJS implementation on creating addresses from a Bitcoin (zpub, xpub) address

I'm looking for a lightweight node package which can handle creating btc receiving addresses on the server using an extended public key (segwit). Like this one: ...
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2answers
127 views

Calculating the balance of xpub

I have a bitcoin cash xpub I can derive Internal and external addresses I have a full node so I can check each individual addresses My Question 01 - how do I calculate the balance ? 02 - do I ...
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1answer
71 views

Creating multiwallets

I want to create wallets for users. bitcoin core allow us to create one wallet. is there any way to create wallets for single bitcoin-qt which can able to run multi wallets at a time.I know I can ...
1
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1answer
170 views

In Bitcoin source, what is the UniValue objects purpose?

In the bitcoin source code you can see a lot of objects of type UniValue, particularly in the miner.cpp and rpc/mining.cpp. What is the utility of this UniValue object? Is it used to update the ...
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1answer
24 views

When does bitcoin wallet subtracts the coins spent by that particular address?

After how many confirmations does the bitcoin wallet subtracts/updates the account balance in respect of respective wallet address.
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2answers
88 views

Is there any synchronized software update mechanism in Bitcoin-Blockchain?

My question is regarding the update of Bitcoin software. Is there any mechanism for a synchronized software update in the Bitcoin network?
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1answer
127 views

Transaction validation by full nodes

All the full nodes in Bitcoin network validate a new block as soon as it is mined and propagated on the network, by verifying the nonce and the resulting block hash. Now the question is that, Do full ...
1
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1answer
217 views

How to create wallet satisfying the scenarios?

I want to implement the wallet to create bitcoin and altcoins exchange and store system. Somehow create random or HD wallet that holds and store upto 50 user public keys.But users will not have ...
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0answers
78 views

Create a Bitcoin wallet for users and get paid?

Im a crypto trader and investor with a big portfolio. At the moment my company is looking to use GitHub of Copay to create a Bitcoin wallet with my company name, I want do a good investment in ...