Questions tagged [offline]

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Signatures differ in web3js and web3j

I'm using web3J version 3.0.0-alpha4 and hit following problem. When I sign the same raw message (it's simply string like "TEST" for now) I get different signatures using web3js i web3j. The signature ...
3
votes
0answers
242 views

Parity signer issue

I'm trying to send raw transactions throught JSON-RPC api. I'm signing it offline (with python lib) and then using the eth_sendRawTransaction method. The thing is that sometimes it gets broadcasted ...
1
vote
0answers
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How to sign transactions offline via geth for a specific chain?

Is there a way to sign a transaction to be accepted on a specific chain? In other words, if I want to sign an offline transaction via geth, say 0.5 eth from external address A to external address B, ...
1
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how can I use smart contract to sign a transaction on an offline machine

How can I use smart contract to sign a transaction on an offline machine?I want to use geth to sign a transaction offline,who can tell me what I do?Thanks!