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| Algorithmic Max || - || 20,999,999.9769<ref>[http://www.wolframalpha.com/input/?i=%28sum%28210000*floor%285000000000%2F2^i%29%29%2C+i%3D0+to+32%29%2F10000000 Wolfram Alpha Calculation]</ref> || - || Current Max Possible: 20999839.77085749<ref>Current actually possible must take into account duplicate coinbases, destroyed fees, and provably destroyed coin outputs including the unspendable Genesis block. Some of this can be derived from 'bitcoin-cli gettxoutsetinfo' and subtracting that value from the then-current theoretically-possible maximum. As of this writing, it is 160.20604251 of unspendable BTC.</ref> | | Algorithmic Max || - || 20,999,999.9769<ref>[http://www.wolframalpha.com/input/?i=%28sum%28210000*floor%285000000000%2F2^i%29%29%2C+i%3D0+to+32%29%2F10000000 Wolfram Alpha Calculation]</ref> || - || Current Max Possible: 20999839.77085749<ref>Current actually possible must take into account duplicate coinbases, destroyed fees, and provably destroyed coin outputs including the unspendable Genesis block. Some of this can be derived from 'bitcoin-cli gettxoutsetinfo' and subtracting that value from the then-current theoretically-possible maximum. As of this writing, it is 160.20604251 of unspendable BTC.</ref> | ||
|- | |- | ||
| megaBitcoin || MBTC || 1,000,000 || - || | | megaBitcoin || MBTC || 1,000,000 || - || Rarely used in context | ||
|- | |- | ||
| kiloBitcoin || kBTC || 1,000 || - || | | kiloBitcoin || kBTC || 1,000 || - || Rarely used in context | ||
|- | |- | ||
| Original Block Reward || - || 50 || block || Until block 210000 | | Original Block Reward || - || 50 || block || Until [[Halving day 2012|block 210000]] | ||
|- | |- | ||
| Current Block Reward || - || 25 || block || As of | | Current Block Reward || - || 25 || block || As of [[Halving day 2012|block 210000]] | ||
|- | |- | ||
| decaBitcoin || daBTC || 10 || - || | | decaBitcoin || daBTC || 10 || - || Rarely used in context | ||
|- | |- | ||
| Bitcoin || BTC || 1 || coin || | | Bitcoin || BTC || 1 || coin || Base unit (100 million [[satoshi (unit)|satoshis]]) | ||
|- | |- | ||
| deciBitcoin || dBTC || 0.1 || - || | | deciBitcoin || dBTC || 0.1 || - || Rarely used in context | ||
|- | |- | ||
| centiBitcoin || cBTC || 0.01 || bitcent || | | centiBitcoin || cBTC || 0.01 || bitcent || Frequently used until the [[November 2013 bubble]] | ||
|- | |- | ||
| milliBitcoin || mBTC || 0.001 || millibit, millicoin, | | [[millibit|milliBitcoin]] || mBTC || 0.001 || millibit, millicoin, millie || Thousandth of a Bitcoin, frequently used subdivision | ||
|- | |- | ||
| microBitcoin || μBTC || 0.000001 || bit || | | [[bit (unit)|microBitcoin]] || μBTC || 0.000001 || bit || Millionth of a Bitcoin, frequently used subdivision | ||
|- | |- | ||
| Finney<ref>[http://www.reddit.com/r/Bitcoin/comments/2ewp3z/i_propose_we_rename_00000001_btc_as_the_finney/ After Hal Finney, Bitcoin Pioneer]</ref> || - || 0.0000001 || Finney || 10 millionth, 1e-7 | | Finney<ref>[http://www.reddit.com/r/Bitcoin/comments/2ewp3z/i_propose_we_rename_00000001_btc_as_the_finney/ After Hal Finney, Bitcoin Pioneer]</ref> || - || 0.0000001 || Finney || 10 millionth, 1e-7 | ||
|- | |- | ||
| Satoshi || - || 0.00000001 || ''none'' || 100 millionth, 1e-8, smallest possible unit | | [[Satoshi (unit)|satoshi]] || - || 0.00000001 || ''none'' || 100 millionth, 1e-8, smallest possible unit | ||
|} | |} | ||
==See also== | |||
*[[Tonal Bitcoin]] | |||
*[[Satoshi (unit)]] | |||
==References== | ==References== | ||
Revision as of 05:18, 3 March 2015
While units in Bitcoin usually follow the Standard Metric Notation system, this page lists the most commonly-used units. These can be expressed in any number of ways, from using some form of the prefix to an abbreviation of both the prefix and adding Bitcoin. Bitcoin as a unit of account is sometimes written without capitalization, but since it is not a genericized term yet and refers to one specific type of crypto-currency, capitalization is left as an exercise for the reader.
| Unit | Abbreviation | Decimal (BTC) | Alternate names | Info |
|---|---|---|---|---|
| Algorithmic Max | - | 20,999,999.9769[1] | - | Current Max Possible: 20999839.77085749[2] |
| megaBitcoin | MBTC | 1,000,000 | - | Rarely used in context |
| kiloBitcoin | kBTC | 1,000 | - | Rarely used in context |
| Original Block Reward | - | 50 | block | Until block 210000 |
| Current Block Reward | - | 25 | block | As of block 210000 |
| decaBitcoin | daBTC | 10 | - | Rarely used in context |
| Bitcoin | BTC | 1 | coin | Base unit (100 million satoshis) |
| deciBitcoin | dBTC | 0.1 | - | Rarely used in context |
| centiBitcoin | cBTC | 0.01 | bitcent | Frequently used until the November 2013 bubble |
| milliBitcoin | mBTC | 0.001 | millibit, millicoin, millie | Thousandth of a Bitcoin, frequently used subdivision |
| microBitcoin | μBTC | 0.000001 | bit | Millionth of a Bitcoin, frequently used subdivision |
| Finney[3] | - | 0.0000001 | Finney | 10 millionth, 1e-7 |
| satoshi | - | 0.00000001 | none | 100 millionth, 1e-8, smallest possible unit |
See also
References
- ↑ Wolfram Alpha Calculation
- ↑ Current actually possible must take into account duplicate coinbases, destroyed fees, and provably destroyed coin outputs including the unspendable Genesis block. Some of this can be derived from 'bitcoin-cli gettxoutsetinfo' and subtracting that value from the then-current theoretically-possible maximum. As of this writing, it is 160.20604251 of unspendable BTC.
- ↑ After Hal Finney, Bitcoin Pioneer