chinmay2 over 1 year ago

Can smart contract be upgraded after publishing to blockchain?

If the contract developer wants to have a way to upgrade the contract code, and migrate all the data and other things to a new one, can Ethereum he... more

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surabhi4 over 1 year ago

What's the difference between hot and cold wallets?

Why are hot and cold wallets required in the cryptocurrency blockchain implmentations? I'd like to know the security implications. more

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avgustis_genius over 1 year ago

Do so called side-chains fix gas problems?

So when CryptoKitties game was popping off, it could be taking hours (sometimes even days) and a whole lot of gas to make any kind of transaction o... more

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shlomo9112 over 1 year ago

Can smart contract be upgraded after publishing to blockchain?

If the contract developer wants to have a way to upgrade the contract code, and migrate all the data and other things to a new one, can Ethereum he... more

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enrjr99 over 1 year ago

Places to learn blockchain developments?

Where can I learn how to code blockchain? I want to put my site payment system on blockchain. Sorry, my English is not good :) more

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enrjr99 over 1 year ago

Private Ethereum network

How to set up your own shiny Ethereum blockchain?

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younagendra2 over 1 year ago

Why bitcoin did not have smart contracts?

Hello Blockchainers, I'm just wondering why bitcoin doesn't have smart contracts and what are the challenges if we have face if want to put sm... more

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eackon714 over 1 year ago

How does one invalidate the Ethereum blockchain

What ways are there to invalidate the ethereum blockchain, and if it is invalidated.. Does Dapps suddenly stop working? I've heard of 51% attacks ... more

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sl.brentley over 1 year ago

Blockchain Hackathon's?

Where are the Blockchain Code-a-thon/Hackathon's?, where to learn and launch?

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michael over 1 year ago

How can I interact with the DelegateCall DappChain?

On Ethereum I can open a geth console or just pull up the browsers developer console and interact with the blockchain through Web3 javascript API. ... more

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