Ethereum Stack Exchange by Kiwix

Q&A for users of Ethereum, the decentralized application platform and smart contract enabled blockchain

Most popular questions

154 What is meant by the term "gas"? 2016-01-20T16:49:09.363

127 What are the Ethereum disk space needs? 2016-01-20T23:53:10.560

107 Why does Ethereum plan to move to Proof of Stake? 2016-01-20T16:57:00.007

97 Upgradeable smart contracts 2016-03-29T14:48:31.000

91 How would I explain Ethereum to a non-technical friend? 2016-01-20T17:27:46.440

84 How can I securely generate a random number in my smart contract? 2016-01-21T06:56:26.307

83 What is Swarm and what is it used for? 2016-01-22T10:36:53.707

83 What is the difference between a transaction and a call? 2016-01-30T19:32:34.050

70 What is a DApp? 2016-01-22T11:41:15.080

66 What is the total supply of Ether? 2016-01-23T06:11:26.227

66 How do I buy Ethereum with USD? 2016-03-08T03:55:31.787

65 How can an Ethereum contract get data from a website? 2016-01-20T16:48:00.060

65 What is Geth's "fast" sync, and why is it faster? 2016-02-08T15:29:06.410

65 How are ethereum addresses generated? 2016-05-03T08:40:53.873

61 Help with very slow mist sync 2016-01-25T00:29:26.187

60 How can a contract run itself at a later time? 2016-01-20T17:25:05.737

60 Are there well-solved and simple storage patterns for Solidity? 2017-03-16T22:13:56.683

59 What is the difference between Swarm and IPFS? 2016-03-17T22:12:18.827

56 What's the difference between proof of stake and proof of work? 2016-01-20T20:48:54.667

56 What actually is a DAG? 2016-03-11T13:19:11.157

53 Why is the average block time 17 seconds? 2016-01-20T17:49:44.140

53 Which cryptographic hash function does Ethereum use? 2016-01-24T08:32:14.427

52 Common useful JavaScript snippets for geth 2016-03-31T20:04:52.217

51 What is an ABI and why is it needed to interact with contracts? 2016-01-21T11:49:05.450

50 Can contracts pay the gas instead of the message sender? 2016-01-20T23:57:28.913

49 What is the relationship between Mist and Ethereum Wallet? 2016-04-06T02:36:53.537

47 How do I set up a private ethereum network? 2016-01-20T21:35:42.217

47 What is the recommended way to safely store Ether? 2016-02-10T16:21:37.203

46 What is an uncle/ommer block? 2016-01-20T17:17:17.617

46 How is the address of an Ethereum contract computed? 2016-01-29T22:14:56.383

45 Ethereum block architecture 2016-01-21T18:28:35.263

45 `external` vs `public` best practices 2017-07-04T10:58:47.693

42 What OPCODES are available for the Ethereum EVM? 2016-01-20T20:54:31.433

41 How do I backup my ether accounts? 2016-01-20T20:27:02.603

40 What proof of work function does Ethereum use? 2016-01-20T16:59:14.130

38 How can I verify that a contract on the blockchain matches the source code? 2016-01-21T07:10:26.817

38 Why don't Ethereum addresses have checksums? 2016-01-21T18:27:38.940

38 Is there anything stopping me from using the ethereum blockchain as data storage? 2016-01-23T06:19:58.487

38 How to import a plain private key into geth or Mist? 2016-01-23T13:10:59.837

38 How to backup mist wallets? 2016-02-03T10:40:00.313

38 How to reduce the chances of your Ethereum wallet getting hacked? 2016-05-12T23:49:58.710

38 For pool mining, what exactly is a share? 2016-06-02T04:31:41.947

38 What is a recursive calling vulnerability? 2016-06-17T12:48:32.787

37 What number of confirmations is considered secure in Ethereum? 2016-01-21T23:31:04.060

36 How can I check if an Ethereum address is valid? 2016-02-15T02:20:34.133

36 Difference between require and assert and the difference between revert and throw 2017-04-13T00:20:27.737

35 What does each genesis.json parameter mean? 2016-03-29T02:33:52.290

35 ELI5 How does a Merkle-Patricia-trie tree work? 2016-06-22T10:42:44.937

34 How can I get a geth node to download the blockchain quickly? 2016-01-22T13:42:04.730

34 How do I convert my The DAO tokens into ethers using the withdrawal contract after the hard fork? 2016-07-19T14:06:25.367

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