This page details the terminologies commonly used in the documentation.


Ether is the cryptocurrency used in the Ethereum blockchain network. Ethers are used to create and interact with smart contracts. They can either be mined or bought via fiat currency (e.g. Singapore Dollars).


Ethereum Wallets



Document store#

A document store is a smart contract on the Ethereum network that records the issuance and revocation status of OpenAttestation (OA) documents. The document store allows the owner to perform the following actions:

  • issue new OA documents
  • revoke an existing OA document
  • check for the validity of an OA document
  • transferring the document store to another owner