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Achala Dissanayake
  • Member for 4 years, 10 months
  • Last seen this week
  • Kottawa, Pannipitiya, Western Province, Sri Lanka
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
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How to find solidity code for a contract address

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

19 votes
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Local variable and state variable, and the difference between them

18 votes

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

13 votes
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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
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How to get contract data?

4 votes
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Ethereum remix web3 connection problem

4 votes
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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
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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
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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?