Questions tagged [cold-storage]

Creating and storing a reserve of Ether offline so that it is more secure. Usually this means the keys are generated on a device that has never / will never connect to the Internet and is done to avoid malware, nefarious wallet-generation websites, hackers, or keyloggers. This is also referred to as "offline wallets" or a "cold wallet."

Filter by
Sorted by
Tagged with
61
votes
7answers
161k views

What is the recommended way to safely store Ether?

There are several options for storing Ether : Accounts Mist/Geth accounts. Paper wallets. Icebox Air gapped offline signing of transactions Wallet Mist Multi-signature. In short there are a lot ...
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 ...
9
votes
1answer
3k views

How to send ether to a cold storage account?

Is it possible to do the following: Back up the keystore on a usb drive. Format the computer used to generate the keystore. Send ether to a public address in the keystore. Reinstall geth (or other ...
25
votes
6answers
38k views

Is there a way to generate ethereum paper wallets?

Is it possible to store ether on paper wallets or generate printable private keys offline somehow?
18
votes
1answer
4k views

Can I use the same private key for Ethereum and Bitcoin?

Both Bitcoin and Ethereum private keys are usually a 256-bit number, isn't it possible to use the same private key for both Bitcoin wallets and Ethereum accounts? For instance, the Bitcoin wiki ...
21
votes
6answers
15k views

Is there any hardware wallet available for Ethereum?

What are the various available hardware wallets for Ethereum?
6
votes
2answers
2k views

Generating ethereum address from private key on Ubuntu 32 bit

I have a securely generated private key that I want to use to generate an ethereum address on an offline PC (Ubuntu 32 bit). My preferred way would be to use geth, but there's no geth binary for linux ...
7
votes
3answers
4k views

Is Trezor compatible with Ethereum

Can I use the Trezor hardware wallet for cold storage of ETH?
2
votes
1answer
898 views

Is it possible to *write* (not print) a paper wallet without having to copy a big JSON?

In Bitcoin, you can store a paper wallet by merely writing down the private key of an address, which is very small. You can also write ~20 words generated from that address, if you want. In Ethereum, ...