Questions tagged [wallet-transfer]

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4
votes
2answers
5k views

Approve contract to withdraw funds from users's wallet

I want to achieve the following flow: A user clicks a button allowing my contract to spend funds on the user's behalf A user clicks a second button whereupon funds are transferred from the user's ...
4
votes
2answers
6k views

Send Custom ERC20 Tokens from one Address to another

How to send custom ERC20 tokens from one wallet to another, if i want to send EBTC/ECASH custom ERC20 tokens. I wrote a method that can send the ether from one account to another, how could i do the ...
15
votes
4answers
4k views

How do I transfer balance to another address? w/o syncing with network

I have a single ethereum address that has ether in it from 2015 when I was playing around with Geth and the CLI. I have removed the blockchain and associated homebrew files from my computer. How can I ...
4
votes
2answers
925 views

How do I transfer funds to another account from a lightwallet.dat file

I have a lightwallet.dat file which I exported from ujomusic.com. It's in a different format to that used by geth. I don't expect geth will import it so can I create an account with the same number as ...
4
votes
4answers
18k views

I accidentally sent a token to a token contract. Can I get it back?

Instead of transferring my ERC20 token to my wallet, I accidentally sent it to the contract itself (the contract, with source code, is here). Would the contract creator be able to send it back to me?...
1
vote
3answers
946 views

Is it possible to send/receive Bitcoin using a smart contract?

My Question goes in the sense of what's possible in terms of creating a Dapp that allows to send/receive BitCoin just like it would any other given ERC20 Token. Is this possible to achieve for a Smart ...
0
votes
1answer
839 views

What is the best way of token redemption by user?

Background RETN Deals offers discount coupons from global brands and in addition, offers generous cashback in Cryptocurrency (RETN). The web application automatically tracks consumer purchases at ...
5
votes
2answers
7k views

Solidity: “send” and “transfer” are only available for objects of type “address payable”, not “address” [duplicate]

I'm trying to compile my smart contract with the solidity version 0.5.0. with the code below: function unbond(address wallet, bytes32 specifier, uint quantity) internal { bondage = ...
2
votes
1answer
728 views

Can't send from wallet contract to main account with Ethereum Wallet 0.9.0

Question from a newbie that is learning it's way around the blockchain world. Hope you can help me out! My Ethereum Wallet holds the main account and some accounts for testing. I also made one Wallet ...
1
vote
2answers
2k views

Questions about some details on Ethereum transfers and Gwei

I read up about Gas and Gwei but there are some things in practice that i don't understand / know what to do. I just started learning about Ethereum (received my first ETH coins today and started ...
1
vote
1answer
661 views

When can First Blood 1ST tokens be transferred?

This question was prompted by the reddit question Why have all 1ST token transactions an error? and Error sending transaction to the First Blood crowd sale contract.