Bitcoin
Litecoin
Dogecoin
Catcoin
Maximum
Supply
21.0 Million
84 Million
Uncapped
21.0 Million
Current
Supply
(May 6,
2021)
18.7 Million
66.6 Million
130.0 Billion
11.3 Million
Current
Production Rate
6.25 Bitcoins
per Block
12.5 Litecoins
per Block
10,000 Doge
per Block
25.0 Catcoins
per Block
Block Time
10 minutes
2.5 minutes
1.0 minute
10 minutes
Theoretical
Current Annual
Production Rate
328,725
Bitcoins per Year
2.63 Million
Litecoins per Year
5.26 Billion
Doge Per Year
1.37 Million
Catcoins per Year
Reward
Reduction
Strategy
Reward
Halving Every 4
Years
Reward
Halving Every 4
Years
No Reduction,
Constant Reward
Reward
Halving Every 4
Years
Market
Capitalization
About 1.1
Trillion USD
About 23.0
Billion USD
About 73.3
Billion USD
Unknown
Available Method
of Obtaining
Mining and
Via Exchange
Mining and
Via Exchange
Mining and
Via Exchange
Mining
Hashing
Algorithm
SHA256
SCRYPT
SCRYPT
SCRYPT
Release Date
January, 2009
October, 2011
December,
2013
December,
2013
Publicity
Footprint
Highest
Higher
Highest
Low
Meme-Based
No
No
Yes
Yes
Notable
Feature
First Blockchain
Cryptocurrency
First Major
Alternative Coin
First Major
Meme Coin
First Coin
with PID
Algorithm for
Difficulty
Adjustment
