Ether Currency Designations

Ether is the digital currency that allows to buy Gas on the Ethereum network, which is required to execute code, aka Smart Contracts, in a decentralised way. Gas is the unit used to express the “price” of “CPU time” on the Ethereum network. As “your” distributed application runs on the Ethereum Virtual Machine “somewhere”, Gas is actually what is used to “power” the execution and what you “pay” to have your code executed. The Gas price varies in function of the availability of CPU resources and later probably in function of the Ether price. Ether is also used to reward miners that find new blocks on the Blockchain, thus investing CPU to increase the Blockchain capacity.

By this, Ether has indeed a value that can be expressed in EUR or Bitcoin, but the market reacts to different stimuli than the Bitcoin market. Ether is not a replacement of, or concurrent currency to Bitcoin.

(5 ↑ 3 = 5³, 8 ↑ 2 = 8²)

DenominationAmount of Wei (Mathematical)Amount of WeiAmount of EtherComment
Uether10 ↑ 54
Vether10 ↑ 51
Dether10 ↑ 48
Nether10 ↑ 45
Yether10 ↑ 42 1 Y1 Yotta Ether
Zether10 ↑ 39 1 Z1 Zetta Ether
Eether10 ↑ 36 1 E1 Exa Ether
Pether10 ↑ 33 1 P1 Peta Ether
Tether10 ↑ 30 1 T1 Terra Ether
Gether10 ↑ 27 1000 M / 1 G 1 Giga Ether, 1 Billion Ether
Mether10 ↑ 24 1 000 000 / 1 M 1 Million Ether
Grand10 ↑ 211000
Ether10 ↑ 181 E 1{1 with 18 zeros} Wei, 1 Exa Wei, 1 Ether, 100 Ether cent, 100 ¢Ether
Finney10 ↑ 15 1000 T / 1 P0.001 / 1 m {1 with 15 zeros} Wei, 1 Peta Wei, 1 Quadrillion Wei, 1 Milli Ether, 0.1 Ether cent, 0.1 ¢Ether
Szabo10 ↑ 12 1000 G / 1 T 0.000001 / 1 μ 1 Terra Wei, 1 Micro Ether
Gwei10 ↑ 9 1000 M / 1 G 1 ƞ 1 Giga Wei, 1 Gwei, 1 Billion Wei, 1 Nano Ether
Mwei10 ↑ 6 1 000 000 / 1 M 1 p 1 Mega Wei, 1 Million Wei, 1 Pico Ether
Kwei10 ↑ 310001 f 1 Femto Ether
Wei10 ↑ 0 11 a / 10 ↑ -18The smallest possible currency unit. Comparable to the Satoshis in the Bitcoin universe (#). 1 Atto Ether.

(#) Note: The relation between Satoshi and Bitcoin (10 ↑ −8) is not the same than between Wei and Ether (10 ↑ −18). FYI and FYA: 1 Satoshi = 10 ↑ −8 BTC = 1/100 µ BTC = 10 ƞ BTC.

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