19
votes
What is the recommended way to safely store Ether?
The safest way to store Ether and other altcoins (BTC, LTC, XRP, ETC) to date are hardware wallets such as Ledger Wallet.
Owning one, I can say that the experience is painless and the security is ...
10
votes
Is there any hardware wallet available for Ethereum?
Update: 2017-06-11
Available hardware wallets for Ethereum (in alphabetical order):
Digital Bitbox
KeepKey (now out of beta)
Ledger Blue
Ledger Nano S
Trezor (in beta, see this answer for details)
10
votes
Accepted
Is Trezor compatible with Ethereum
Update 2017-06-05
YES -- Trezor is now compatible with Ethereum (ETH), Classic (ETC) and ERC-20 tokens via firmware 1.5.0. Can use the Trezor (Beta) Web Wallet or MyEtherWallet.com.
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6
votes
Can I use the same private key for Ethereum and Bitcoin?
Self-answering my own question 4 years later: Yes!
I wrote an Secp256k1 implementation in Crystal: github.com/q9f/secp256k1.cr
In that process, I implemented both key management for Bitcoin and ...
- 33k
5
votes
Is there a way to generate ethereum paper wallets?
Printing the private key for ethereum in geth.
This is done for creating a real *secure offline paperwallet in your own WM which afterwards stores the money independent from a program *.
Based on ...
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5
votes
How to sign a transaction on an offline computer?
You can use MyEtherWallet offline signing on airgapped computer. https://www.myetherwallet.com/#offline-transaction
- 2,158
5
votes
Accepted
Can I reuse a signed transaction generated offline by MyEtherWallet?
Each transaction requires a nonce (or sequence counter) value from your account. For each transaction you submit, the nonce is incremented. This is intentional to prevent replaying transactions.
...
- 6,403
3
votes
Accepted
Cold Storage after a Hard Fork?
To the protocol, there's no difference between the various kinds of storage (hot, cold, paper, etc.) All it knows is that a given key corresponds to a given address. So there wouldn't be anything ...
- 7,330
3
votes
Accepted
As of 2020, what are the community-trusted desktop cold storage wallets?
You can run MyCrypto's desktop application fully offline, and sign transactions from your offline computer too. The application is fully open-source and available on GitHub here. There are ...
- 6,082
3
votes
Accepted
How to sign offline with geth?
First let's clear some things:
the file created by geth account new is the file you don't want to end up on a computer connected to a network. It's the file that you want to have hidden somewhere, ...
- 146
3
votes
Is there a way to generate ethereum paper wallets?
Additional option: Java based offline solution on GitHub.
2
votes
Is there a way to generate ethereum paper wallets?
Here's a new one with user customizable background artwork:
Memory Paper Wallet - Ethereum Customizable Paper Wallet
https://bitcointalk.org/index.php?topic=3335760.0
- 4,810
2
votes
Is there a way to generate ethereum paper wallets?
Based on Richard's answer I created a bash script to build a more readable paper backup. As shown in the following example , the paper contains the address (to not confuse multiple keyfiles/papers) ...
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2
votes
What is the recommended way to safely store Ether?
The number of possible wallets is increasing:
Etherwall.com a open source wallet offering two modes: Full node or Thin client both using a local geth.exe plus a remote node to be able to display a ...
2
votes
Is there any hardware wallet available for Ethereum?
At the moment available ETH hardware wallets are
Trezor
KeepKey
Ledger Blue & Nano S
Find more details here.
2
votes
Accepted
Hot Wallet Vs Cold Wallet? What’s the difference?
The simplest way to understand it is as follows:
Hot storage wallets are all the wallets, which are "stored" somewhere on the internet a.k.a wallets that are stored online - like your ...
- 146
1
vote
What is industry standard solution for trustless self custody?
A device dedicated only to crypto should work well. Ideally a cheap laptop where you put a linux distro and installed only the necessary software to sign a transaction (geth or even ethers/foundry for ...
- 3,947
1
vote
What is the safest way to generate an ethereum wallet for cold storage?
You might be interested in using MyEtherWallet offline. Skip the "Export JSON File" part and head straight to "Downloading and Running MEW Offline". Genereate a new mmemnonic seed ...
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1
vote
Ethereum paper wallet address generator with ability to upload your own graphic to give as gifts
Here's a customizable one I made:
Memory Paper Wallet
source: https://github.com/xcubicle/memorypaperwallet
site: https://xcubicle.github.io/memorypaperwallet/
- 4,810
1
vote
Set up a passwordless Ethereum address
You can have unencrypted private keys, of course.
Mnemonics is what can be used to derive this private key. So this can be used to generate a mnemonic (select ETH), and further down the site you can ...
- 3,408
1
vote
How to sign a transaction on an offline computer?
I created a small script for this that uses node and web3.
It's at https://gist.github.com/neuhaus/7387edf411513a9f11f1242dcec8d62e
- 173
1
vote
Accepted
Ethereum from cold wallet, how?
Alright guys, I have found the answer to my question, I am posting it here so if anyone else has the same question, they can find the answer. I was able to find an app that lets me import my cold ...
1
vote
Ethereum from cold wallet, how?
I recommend you to use MyEtherWallet to send your ethers.
On every exchanges you can find an address used to received your ethers. Just send ethers to this address. ( It is not the address that sent ...
- 1,182
1
vote
Cold Storage after a Hard Fork?
Really late to the party...
Depending on the nature of the hard fork, you may need to do one of several things. For the sake of discussion, I'm going to call "Ethereum" the "One True Fork" as far as ...
- 6,680
1
vote
Is Trezor compatible with Ethereum
Update 2017: it is now. Ignore the below.
Update 11/23/16
Firmware Update (1.4.0) for Ethereum Developers
This firmware update also brings Ethereum support to TREZOR. However, this is only the first ...
- 16k
1
vote
Is there any safe way to send money from a cold wallet, using an untrusted computer?
If you can install Node.js onto your offline computer, and copy some javascript files (w/ module dependencies that were retrieved on an online computer using npm), then 2 similar libraries come to ...
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Only top scored, non community-wiki answers of a minimum length are eligible