Definition: wei

(1) (WEI) See Windows Experience Index.

(2) The smallest fraction of a coin in Ethereum's native ether currency. One wei, pronounced "way," is one quintillionth of an ether (ETH). Transaction fees on Ethereum (gas prices) are quantified in billions of wei (gwei). See gas and Ethereum. In the Bitcoin blockchain, the "Satoshi" is a fraction of the native currency (see Satoshi).

   Unit                Quantity of Wei

   kwei (kilo)                   1,000

   mwei (mega)               1,000,000

   gwei (giga)           1,000,000,000

   twei (tera)       1,000,000,000,000

   pwei (peta)   1,000,000,000,000,000

   ether     1,000,000,000,000,000,000