Ethereum
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Achala Dissanayake
  • Member for 4 years, 10 months
  • Last seen this week
  • avantrio.xyz
  • Kottawa, Pannipitiya, Western Province, Sri Lanka
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112 Answers

Score Activity Newest
60 votes
Accepted

What is nonce in Ethereum? How does it prevent double spending?

60 votes
Accepted

How to write an optimized (gas-cost) smart contract?

23 votes
Accepted

How to find solidity code for a contract address

20 votes
Accepted

View/Pure Gas usage - Cost gas if called internally by another function?

19 votes
Accepted

Local variable and state variable, and the difference between them

18 votes

When to use "View" and "Pure" in place of "Constant"

13 votes
Accepted

Solidity initialize memory array of fixed size

11 votes
Accepted

How to get the contract ABI in new Remix IDE?

10 votes
Accepted

Who pays gas for smart contracts?

7 votes
Accepted

What are the best practices to allow user signup and login for a dapp?

6 votes
Accepted

Use of function overriding in Solidity

5 votes
Accepted

How to get contract data?

4 votes
Accepted

Ethereum remix web3 connection problem

4 votes
Accepted

Uncaught ReferenceError: Web3 is not defined Solidity

4 votes

How to create a paid keyvalue store

4 votes
Accepted

How upgradeable smart contracts work? Is it possible to deploy a contract at a self-chosen address?

4 votes
Accepted

Can I filter through an array of structs?

3 votes
Accepted

MetaMask and Access Ethereum Private Chain from other PC in the same network (for test)

3 votes
Accepted

What is ethereum harmony for and what is a good starting point to get into Ethereum Dapp development?

3 votes
Accepted

What is the timestamp of a confirmed transaction based on?

3 votes
Accepted

Remix Warning - No visibility specified, Violate Checks-Effects-Interaction pattern, Function state mutability can be restricted to pure - Can ignore?

3 votes

How to get details for an Ethereum transaction

3 votes
Accepted

How to put a variable inside a string in solidity

3 votes
Accepted

Remix error while running the following Inherited Solidity Model

3 votes

How to use sendrawtransaction properly

3 votes
Accepted

Solidity Invalid implicit conversion from string memory to bytes memory requested

3 votes

Alternatives to Metamask

3 votes
Accepted

What’s the block reward for smart contract miners?

3 votes
Accepted

How to transfer ERC20 token to another contract and calling contracts function

3 votes
Accepted

Yellow flags, simple replacement?

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