Questions tagged [ethereum]
Ethereum is a decentralized platform to run apps on a custom built blockchain.
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ssl\tls public key vs ethereum blockchain public key [closed]
In a ssl/tls, the public key for a domain is included in the ssl/tls certificate that your computer downloaded and stored locally.
In the ethereum blockchain ecosystem, the public key is derived from ...
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Proving that a file existed at a time
How do I acquire the means to prove in the future that I had possission of a
file now, without relying on the integrity of a single entity? (I believe one
way of doing it would be to put the file ...
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How is "Smart Contract" security different?
I am learning smart contract programming on Ethereum (using Solidity) and realizing that security is highly important here. Why? Because of 2 reasons: they deal with high-stake financial transactions, ...
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Ways to encrypt data that will be available to specific clients [closed]
I want to store information on the blockchain, but some part of it is private and must be available to selected clients (for example, users who belong to a common company)
How can this be done?
The ...
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Where to store an important private key?
I run LEMP stack on Ubuntu 18.04. I need to sign / verify transactions for Ethereum real-time. Where can I store the private key for it? Is storing it in .env good enough? It just seems super ...
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Are eavesdropping attacks possible on Ledger Nano S hardware wallets?
Regarding the Ledger Nano S hardware wallet for cryptocurrencies, I've heard it claimed that the private keys for the wallet are securely stored on the physical device and protected even if the PC is ...
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Why is it a bad idea to store my ethereum keyfile in my Google Drive / Dropbox etc
I just bought some Ethereum and I'm in the process of moving my ethereum off my exchange into a wallet.
Now the recommendation around the web seems to be to get your key file (which contains your ...
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Is blockchain security dependent on number of transactions in time?
I have a basic understanding of how blockchain technologies works.
I know that in depends on the ledger where are transactions recorded and can be effectivelly verified.
No one should be able to ...
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Is the Ethereum blockchain truly a tamper-proof way to deploy distributed applications?
The Ethereum website says that it provides a "cryptographically secure, decentralized, tamper-proof network" on which applications written in the Solidity contract language could be deployed. (https://...
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Sandbox escape of an isolated turing complete language?
Ethereum's Solidity documentation states:
The Ethereum Virtual Machine or EVM is the runtime environment for smart contracts in Ethereum. It is not only sandboxed but actually completely isolated, ...
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