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."
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Is there a library to sign transactions using a cold wallet?
I have a Ledger Nano S I want to use for signing transactions on a server. Is it possible to use a library to do this every time without the need of someone manipulating the hardware wallet but ...
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Hot Wallet Vs Cold Wallet? What’s the difference?
I would like to know what is a Hot wallet and what is a cold wallet?
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Storing multiple cryptocurrencies using a usb stick as the private key
currently I am using an electrum wallet on watching only mode and using a usb stick that stores my private key whenever I need to send BTC to someone. I would like to do something similar for my ether ...
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Running Geth full node + archiving on tiered storage possible?
I'm trying to run a geth full node with archiving for development\learning and custom analytics.
I have a physical Windows server running HyperV where I carved out the following VM specs:
24 vCPUs
...
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What is the safest way to generate an ethereum wallet for cold storage?
I am currently making a DIY cold storage using a desktop computer. I cannot find any good desktop wallet for ethereum cold storage. Something like electrum for BTC.
So, I can only found these 3 ways ...
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As of 2020, what are the community-trusted desktop cold storage wallets?
I'm looking to transfer some ETH from markets to a wallet. I see MyEtherWallet.com has a way to be run in a cold storage environment. However, the fact that they're Twitter account got hacked makes me ...
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Cold wallets & dapps
I am new to ethereum and curious about interacting with dApps while keeping a private key in cold storage.
I like the idea of keeping the private key for an Ethereum wallet on an air-gapped computer. ...
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Why Does Ethereum Not Support A Native (Non Smart Contract) Form Of Multi-Sig? [duplicate]
After becoming a victim of exchange fraud and witnessing how it negatively impacted the lives of hundreds of others, I'm currently undergoing a study of all the past cryptocurrency exchange hack/fraud ...
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Ethereum paper wallet address generator with ability to upload your own graphic to give as gifts
I'm looking to give eth to friends and family for christmas this year. But I wanted to upload my own background image if possible to an Ethereum paper wallet generator. Is there such a thing? I don't ...
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Minimal wallet application for a cold storage
I wonder if there are some convenient set of tools (or a wallet application itself) to work on a cold storage.
As I can understand (correct me if I'm wrong) to work with a cold storage I only need to ...
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Set up a passwordless Ethereum address
I want to generate an Ethereum wallet to use for cold storage. I'll split the key using SSSS, and print the different parts in papers that I'll store in different places. I don't want to use a ...
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Safe way to generate and store Ether on multiple paper wallets
I have a certain amount x of Ether in my wallet on my PC. Now I want to divide this amount x by 30, and print each x/30th of my Ether on a separate paper. So, basically, I'd just like to have 30 bills ...
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Will this work and be truly cold: Offline cold storage using Bootable USB
I want to generate a cold wallet very securely without having to buy a new computer that will always be offline and while I am waiting for a hardware wallet on back order.
Please validate and/or ...
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Can I reuse a signed transaction generated offline by MyEtherWallet?
I generated a signed transaction using MyEtherWallet on an air-gapped computer, and used it to successfully send a transaction. Does anything prevent the signed transaction from being reused?
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How to sign a transaction on an offline computer?
Short version: Is there a way to sign a transaction on an offline-computer using only official or widely trusted tools?
Long version of this question: There are several posts on how to do that but ...
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Ethereum from cold wallet, how?
I moved my Ethereum out of my coinbase account and to a cold wallet/address. My question is, how do I get it out of cold storage so I can trade with someone?
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How to sign offline with geth?
I have installed geth on an offline-computer and created a account with ./geth account new. Than I have copied (USB-Stick) the resulting file from the offline-computers keystore/ to an online-computer,...
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Cold Storage after a Hard Fork?
If you create a cold storage account, by following the method described here for example:
How to send ether to a cold storage account?
And subsequently, a hard fork takes place on the Ethereum ...
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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 states:...
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How to verify a paper wallet is working without compromising the private key?
MyEtherWallet tells the user:
You need to back up your private keys externally and verify you can access the wallets.
I am wondering, how do you verify you can access the accounts without ...
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How do exchanges work with Ethereum?
I'm about to create an exchange and I want to trade ether on it. But I'm quite confused of how to handle my clients' wallets.
I see that some exchanges like Poloniex receive the ether in my deposit ...
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Secure paper wallet creation for ETH using JS
I am about to start the process of transferring my ETH to paper wallets for safe keeping. Currently the funds are stored on an online exchange. History shows that this is a very bad idea. It is not ...
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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 ...
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Error creating Transaction with pyethereum: Can only serialize integers [closed]
I'm following the instructions found here to create an offline Transaction. When executing, the following line, I get "Can only serialize integers" exception raised by rlp. I did import pdb;pdb.pm() ...
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Is Trezor compatible with Ethereum
Can I use the Trezor hardware wallet for cold storage of ETH?
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Is there a way to transfer my ETH from a cold storage to a hot storage without compromising it?
At first I wanted to use myetherwallet.com but now I am afraid the code may be hacked / corrupted some day.
The cold storage solution seems safer to store ETH in the long run.
While I understand how ...
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Risk assessment - account confidentiality when signing transactions
When creating cold storage setups, I've seen various users describe running a private Ethereum chain for the purpose of confirming access to their generated accounts.
I'd like to verify access to ...
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Is there any hardware wallet available for Ethereum?
What are the various available hardware wallets for Ethereum?
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Possible to sign offline transactions with Geth? [duplicate]
I'd like to set up a cold storage wallet that has the ability to create and sign transactions offline. It seems both Icebox and ethkey has this functionality, but I'd prefer to have the option to ...
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Can I recover an account with just the Private key (no json file) [duplicate]
I have read a few things lately That in order to securely store an account, one should save the json file and private key. I'm wondering If the json file is really needed though. Say I were to lose ...
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How can I generate a cold wallet completely offline WITH a random number seeded by me?
Requirements:
1) An account created on a raspberry pi that has never been connected to the internet ever.
2) A great private key on this account, that does not rely on any random number generator.
3) ...
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How to create a "cold wallet" and is it really necessary? [duplicate]
What's up everyone. I have a decent amount of Ether and I want to protect it as much as possible. I read that basically the only way someone could hack an ETH account would be with a keylogger program....
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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 ...
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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 ...
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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, ...
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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 ...
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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?
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