Ethereum Stack Exchange by Kiwix

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

Most popular questions

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

88 Comparison of the different TestNets 2017-09-25T06:51:18.380

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

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

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

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

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

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

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

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

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

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

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

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

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

63 Solidity: What is the difference between `view` and `constant`? 2017-08-26T09:07:51.957

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

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

60 Difference between CALL, CALLCODE and DELEGATECALL 2016-05-06T16:21:20.850

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

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

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

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

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

56 What's the difference between 'msg.sender' and 'tx.origin'? 2016-03-07T01:26:21.093

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

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

53 How can you decompile a smart contract? 2016-01-21T06:53:58.907

53 What does the indexed keyword do? 2016-09-14T02:46:32.970

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

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

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

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

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