Questions tagged [offline]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
40
votes
6answers
20k views

Create and sign OFFLINE raw transactions?

I'm looking to create a raw transaction, sign it, and broadcast it using the eth.sendRawTransaction RPC method. I would like to do this offline using code or an open-source library OR online but ...
19
votes
4answers
5k views

Is there any safe way to send money from a cold wallet, using an untrusted computer?

You have 2 computers. One is 100% offline and, thus, trusted. Other is online. Private keys are stored on the offline computer and the online computer has no access to it. Is there any way to sign a ...
0
votes
1answer
1k views

Client Side JavaScript Ethereum Address Generation? [duplicate]

I would like to generate Ethereum addresses clientside with JavaScript, what is the best way to go about doing this? Also, I read that dual Eth-Bitcoin addresses are now possible, and there are many ...
7
votes
2answers
4k views

Offline Wallet Generation

I created an Ethereum paper wallet using the files from myetherwallet.com on an airgapped computer. But I don't understand how the wallet can be generated and integrated into the blockchain to be able ...