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Edmund Edgar
  • Member for 6 years, 2 months
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43 votes

How can an Ethereum contract get data from a website?

35 votes
Accepted

How do oracle services work under the hood?

28 votes

How can I securely generate a random number in my smart contract?

24 votes
Accepted

Truffle Webpack starts with error: MetaCoin has not been deployed to detected network

22 votes
Accepted

Paying a transaction fee with an ERC20 token

21 votes
Accepted

Truffle migrate vs Truffle deploy

21 votes
Accepted

Why write uint256 instead of uint if they're the same thing?

20 votes
Accepted

How do you work with Date and time on Ethereum platform

17 votes
Accepted

Could we call a constant function without spending any gas inside a transaction function?

16 votes
Accepted

When a smart contract is deployed, is its source code publicly viewable?

15 votes
Accepted

Is Solidity block.number more secure than timestamp?

13 votes
Accepted

How can ERC20 token implementations be verified?

13 votes
Accepted

What is "Weak Subjectivity"?

12 votes
Accepted

Any reason not to use Browser Solidity's "Enable Optimization"?

11 votes

How to encrypt a message with the public-key of an Ethereum address

10 votes
Accepted

Current methods to send encrypted messages from contracts

10 votes

Geth RPC connections securely

10 votes
Accepted

Are miners eliminated in Proof of Authority?

10 votes
Accepted

Solidity: Function state mutability warning

9 votes
Accepted

If all nodes execute smart contracts, why do only block creators get the gas fee?

9 votes
Accepted

Will it ever be possible to group multiple ERC20 tokens into a single transaction?

9 votes
Accepted

Can a contract do something on the condition that there's enough gas?

8 votes

Could Malware Be Stored in the Blockchain

8 votes
Accepted

Demystify Transaction signing process

8 votes

In a private blockchain, why do miners keep adding empty blocks to the blockchain?

8 votes
Accepted

Can you decline a transaction?

8 votes
Accepted

Is it possible to access storage history from a contract in solidity?

8 votes

Race conditions when calling remote contracts

8 votes
Accepted

Function with more than 16 arguments

8 votes
Accepted

How does the ethereum network validate addresses that were created offline?

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