A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
both the fixed-size array byte, bytes1...bytes32, and the dynamic array bytes types in Solidity
only used once. It is generated at the beginning of a communication by one communication partner and has to be sent back by the other one in order to prevent replay attacks.
Questions pertaining to Ethereum clients or software specifically on the Windows operating system. Typically the bug or question would, most likely, only occur on Windows or is Windows-specific.
a process of requiring multiple parties to unlock funds, decrypt information or sign transactions
reusable code. In the context of smart contracts, they are deployed only once at a specific address and their code is reused using DELEGATECALL.
OpenZeppelin provides tools to write, deploy and operate decentralized applications. We also protect leading organizations by performing security audits on their systems and products.
Questions related to the timestamp value of a block, or the use of Ethereum in timestamping.
a cryptographic family which is used in ethereum and nowerdays provides the standards for sha-3
an economic measure to deter denial of service attacks and other service abuses such as spam on a network by requiring some work from the service requester, usually mea…
any backwards-incompatible change to the Ethereum protocol, such that a client will need to upgrade in order to remain on the network. This tag is for actual and proposed hardforks, as w…
Questions related to Geth's --fast feature which enables fast syncing through state downloads rather than downloading the full block data.
an organized collection of data. It is the collection of schemas, tables, queries, reports, views, and other objects. The data are typically organized to model aspects of reality in a wa…
Questions related to the Ethereum Name Service, a distributed, extensible naming system based on the Ethereum blockchain.
Questions related to data and smart contract privacy. For questions related to user anonymity, use [tag:anonymity].
Questions related to the C# .NET Ethereum Web3 RPC Client Library, named nethereum
attempts by malicious users or software to subvert/manipulate the behaviour of an application or network
for all questions which appear to be a bug and should be reported to upstream project developers.
For questions regarding installation, configuration, running and debugging Ethereum software specifically on the Android operating system.
A Decentralized Autonomous Organization (DAO) is an organisation governed by rules encoded as Ethereum contracts.
Inheritance in this stackexchange refers to parent child contract relationship where the child contract is considered to be a type of the parent contract and hence implement the parent contract functi…
For questions regarding installation, configuration, running and debugging Ethereum software specifically on the Ubuntu operating system.
operation codes specify the instructions to be performed in machine languages
a computer program that translates a higher-level programming language into a lower-level language. For example: Solidity is compiled into EVM opcodes.