Bitcoin Wiki - User contributions [en]

List of address prefixes

2013-12-24T16:11:13Z

NatiLitecoin:

Blockchain-based currencies use addresses, which are a [[Base58Check encoding]] of some hash, typically that of a public key. The encoding includes a version byte, which affects the first character in the address. The following is a list of some prefixes which are in use.

{| class="wikitable"
|-
!Initial byte(s)
!Leading symbol
!Use
!Example
|-
|0
|1
|Bitcoin pubkey hash
|<tt>12CPLrAUPvhVwjZqBgww3sLdEg4Z888R1j</tt>
|-
|5
|3
|Bitcoin script hash
|<tt>3EktnHQD7RiAE6uzMj2ZifT9YgRrkSgzQX</tt>
|-
|35
|F
|Franko pubkey hash
|<tt>FDoG5nWcuKtnmMhnhrvzMo77aQXbgKxzqj</tt>
|-
|36
|F
|Friendly pubkey hash
|<tt>Ff361bCr7k8aFHjseFxaYWaSpjfq9hVswD</tt>
|-
|48
|L
|Litecoin pubkey hash
|<tt>LhK2kQwiaAvhjWY799cZvMyYwnQAcxkarr</tt>
|-
|52
|M or N
|Namecoin pubkey hash
|<tt>NATX6zEUNfxfvgVwz8qVnnw3hLhhYXhgQn</tt>
|-
|95
|f
|Fairbrix pubkey hash
|<tt>fF6o8LeDAfswEpMbCW8BqaqmzMWS7TGgew</tt>
|-
|97
|g
|GeistGeld pubkey hash
|<tt>gQ8YScyiMUTart6kUJpzhjPzAKfiYAwooc</tt>
|-
|98
|g
|Bitgem pubkey hash
|<tt>gjscb64Dr7HkZDMP78r7TUqsk4xNQU4wb3</tt>
|-
|105
|j
|i0coin pubkey hash
|<tt>jWmCr5cKeQjV4iyfUyipfLGwVML8MvXhF2</tt>
|-
|111
|m or n
|Bitcoin testnet pubkey hash
|<tt>mkJ7Bf5chdfw61d1m7gnDVAQV3EQQAb8iz</tt>
|-
|125
|s
|Solidcoin pubkey hash
|<tt>sXNaMoYBocjcQJRLK53dkaQ5mWuKfvHB9f</tt>
|-
|127
|t
|Tenebrix pubkey hash
|<tt>tUK2EQTMF6cN6vuNEfJtVf1BMqarvEZJBL</tt>
|-
|128
|5
|Bitcoin Private key (for uncompressed pubkey)
|<tt>5Htn3FzuH3b1X5VF2zLTsAQzBcyzkZNJsa2egXN8ZFJTCqQm3Rq</tt>
|-
|128
|K or L
|Bitcoin Private key (for compressed pubkey)
|<tt>L1aW4aubDFB7yfras2S1mN3bqg9nwySY8nkoLmJebSLD5BWv3ENZ</tt>
|-
|138
|x
|ixcoin pubkey hash
|<tt>xoKDFH4uWpyzxUcCC5jCLFujRKayv3HHcV</tt>
|-
|196
|2
|Testnet script hash
|<tt>2MzQwSSnBHWHqSAqtTVQ6v47XtaisrJa1Vc</tt>
|-
|239
|9
|Testnet Private key (for uncompressed pubkey)
|<tt>91eWjgRmucdtYHpMdsHbn9h8UU8hdoMNSKj8p3QAj6VTLyBnjj6</tt>
|-
|239
|c
|Testnet Private key (for compressed pubkey)
|<tt>cNJFgo1driFnPcBdBX8BrJrpxchBWXwXCvNH5SoSkdcF6JXXwHMm</tt>
|
|-
|0x142, 0x143
|6P
|Encrypted private key ([[BIP 0038|BIP 38]])
|<tt> 6PRVWUbkzzsbcVac2qwfssoUJAN1Xhrg6bNk8J7Nzm5H7kxEbn2Nh2ZoGg </tt>
|}

Note that private keys for compressed and uncompressed bitcoin public keys use the same version byte. The reason for the compressed form starting with a different character is because a 0x01 byte is appended to the private key before base58 encoding.

The following table shows the leading symbol(s) and address length(s) for 160 bit hashes for each of the possible decimal version values:

{| class="wikitable"
|-
!Decimal version
!Leading symbol
!Address length
|-
|0
|1
|up to 34
|-
|1
|Q-Z, a-k, m-o
|33
|-
|2
|o-z, 2
|33 or 34
|-
|3
|2
|34
|-
|4
|2 or 3
|34
|-
|5-6
|3
|34
|-
|7
|3 or 4
|34
|-
|8
|4
|34
|-
|9
|4 or 5
|34
|-
|10-11
|5
|34
|-
|12
|5 or 6
|34
|-
|13
|6
|34
|-
|14
|6 or 7
|34
|-
|15-16
|7
|34
|-
|17
|7 or 8
|34
|-
|18
|8
|34
|-
|19
|8 or 9
|34
|-
|20-21
|9
|34
|-
|22
|9 or A
|34
|-
|23
|A
|34
|-
|24
|A or B
|34
|-
|25-26
|B
|34
|-
|27
|B or C
|34
|-
|28
|C
|34
|-
|29
|C or D
|34
|-
|30-31
|D
|34
|-
|32
|D or E
|34
|-
|33
|E
|34
|-
|34
|E or F
|34
|-
|35-36
|F
|34
|-
|37
|F or G
|34
|-
|38
|G
|34
|-
|39
|G or H
|34
|-
|40-41
|H
|34
|-
|42
|H or J
|34
|-
|43
|J
|34
|-
|44
|J or K
|34
|-
|45-46
|K
|34
|-
|47
|K or L
|34
|-
|48
|L
|34
|-
|49
|L or M
|34
|-
|50-51
|M
|34
|-
|52
|M or N
|34
|-
|53
|N
|34
|-
|54
|N or P
|34
|-
|55-56
|P
|34
|-
|57
|P or Q
|34
|-
|58
|Q
|34
|-
|59
|Q or R
|34
|-
|60-61
|R
|34
|-
|62
|R or S
|34
|-
|63
|S
|34
|-
|64
|S or T
|34
|-
|65-66
|T
|34
|-
|67
|T or U
|34
|-
|68
|U
|34
|-
|69
|U or V
|34
|-
|70-71
|V
|34
|-
|72
|V or W
|34
|-
|73
|W
|34
|-
|74
|W or X
|34
|-
|75-76
|X
|34
|-
|77
|X or Y
|34
|-
|78
|Y
|34
|-
|79
|Y or Z
|34
|-
|80-81
|Z
|34
|-
|82
|Z or a
|34
|-
|83
|a
|34
|-
|84
|a or b
|34
|-
|85
|b
|34
|-
|86
|b or c
|34
|-
|87-88
|c
|34
|-
|89
|c or d
|34
|-
|90
|d
|34
|-
|91
|d or e
|34
|-
|92-93
|e
|34
|-
|94
|e or f
|34
|-
|95
|f
|34
|-
|96
|f or g
|34
|-
|97-98
|g
|34
|-
|99
|g or h
|34
|-
|100
|h
|34
|-
|101
|h or i
|34
|-
|102-103
|i
|34
|-
|104
|i or j
|34
|-
|105
|j
|34
|-
|106
|j or k
|34
|-
|107-108
|k
|34
|-
|109
|k or m
|34
|-
|110
|m
|34
|-
|111
|m or n
|34
|-
|112-113
|n
|34
|-
|114
|n or o
|34
|-
|115
|o
|34
|-
|116
|o or p
|34
|-
|117-118
|p
|34
|-
|119
|p or q
|34
|-
|120
|q
|34
|-
|121
|q or r
|34
|-
|122-123
|r
|34
|-
|124
|r or s
|34
|-
|125
|s
|34
|-
|126
|s or t
|34
|-
|127-128
|t
|34
|-
|129
|t or u
|34
|-
|130
|u
|34
|-
|131
|u or v
|34
|-
|132-133
|v
|34
|-
|134
|v or w
|34
|-
|135
|w
|34
|-
|136
|w or x
|34
|-
|137-138
|x
|34
|-
|139
|x or y
|34
|-
|140
|y
|34
|-
|141
|y or z
|34
|-
|142-143
|z
|34
|-
|144
|z or 2
|34 or 35
|-
|145-255
|2
|35
|}

[[es:Lista de prefijos de direcciones]]

Vanitygen

2013-12-24T16:10:07Z

NatiLitecoin: /* Vanity addresses for other crypto-coins */

Vanitygen is a command-line vanity bitcoin address generator.

If you're tired of the random, cryptic addresses generated by regular bitcoin clients, you can use vanitygen to create a more personalized address. Add unique flair when you tell people to send bitcoins to 1stDownqyMHHqnDPRSfiZ5GXJ8Gk9dbjL. Alternatively, vanitygen can be used to generate random addresses offline.

Vanitygen accepts as input a pattern, or list of patterns to search for, and produces a list of addresses and private keys. Vanitygen's search is probabilistic, and the amount of time required to find a given pattern depends on how complex the pattern is, the speed of your computer, and whether you get lucky.

The example below illustrates a session of vanitygen. It is typical, and took about 10 sec to finish, using my Core 2 Duo E6600 CPU on x86-64 Linux:
<syntaxhighlight lang="bash">
$ ./vanitygen 1Boat
Difficulty: 4476342
Pattern: 1Boat
Address: 1BoatSLRHtKNngkdXEeobR76b53LETtpyT
Privkey: 5J4XJRyLVgzbXEgh8VNi4qovLzxRftzMd8a18KkdXv4EqAwX3tS
</syntaxhighlight>

Vanitygen includes components to perform address searching on your CPU (vanitygen) and your OpenCL-compatible GPU (oclvanitygen). Both can be built from source, and both are included in the Windows binary package. Also included is oclvanityminer, the vanity address mining client. Oclvanityminer can be used to automatically claim bounties on sites such as [[User:ThePiachu|ThePiachu]]'s [[Vanity Pool]].

Current version: 0.22

Windows x86+x64 binaries [https://github.com/downloads/samr7/vanitygen/vanitygen-0.20-win.zip here]. PGP signature [http://insight.gotdns.org/~samr7/vanitygen-0.20-win.zip.asc here].

Get the source from [https://github.com/samr7/vanitygen GitHub]. Includes Makefiles for Linux and Mac OS X.

Main discussion at [https://bitcointalk.org/index.php?topic=25804.0 BitCoinTalk]

For AMD Catalyst 13.1+ you need to run the AMD APP SDK Runtime from Catalyst 12.10 in order to get this program to work. (So all your Catalyst drivers would be brand new except for the SDK Runtime.) This is discussed on [https://github.com/samr7/vanitygen/issues/19 GitHub]. For Linux, use AMD APP SDK 2.7.

Also the latest source doesn't work properly for high-end AMD cards (7XXX and greater). Solution is to change line 459 in oclengine.c from: return quirks; to: return quirks & ~VG_OCL_AMD_BFI_INT;
Windows x86+x64 binaries that solve this problem plus provide support for compressed keys [https://lifeboat.com/oclvanitygen here]. PGP signature [https://lifeboat.com/oclvanitygen.zip.sig here]. If you have any problems with the binaries, join the relevant [https://bitcointalk.org/index.php?topic=301068.0 BitCoinTalk discussion].

== Expected keysearch rate ==
Main article: [[Vanitygen keysearch rate]]

What key search rate can I expect from hardware X?

Detailed list forthcoming. Some ballpark estimates are listed below.

Dual-core desktop CPUs, 32-bit mode: 100-250 Kkey/s.
Dual-core desktop CPUs, 64-bit mode: 150-450 Kkey/s.
Quad-core desktop CPUs, 32-bit mode: 200-400 Kkey/s.
Quad-core desktop CPUs, 64-bit mode: 300-750 Kkey/s.
NVIDIA GT200 GPUs: up to 6.5 Mkey/s
AMD Radeon 58XX, 68XX GPUs: up to 23.5 Mkey/s.
AMD Radeon 69XX GPUs: up to 19.5 Mkey/s.

As vanitygen performs a lot of large integer arithmetic, running it in 64-bit mode makes a huge difference in key search rate, easily a 50% improvement over 32-bit mode. If you are using a 64-bit edition of Windows, and not using a GPU, be sure to use vanitygen64.exe.

Radeon 58XX outperforms Radeon 69XX by a very comfortable margin. Oclvanitygen is sensitive to integer multiply throughput, and Radeon 58XX can multiply concurrently with other operations. At similar clocks, a hobbled Radeon 5830 will outperform a Radeon 6970.

In custom builds, CPU performance will be less than expected if the OpenSSL library is an older version (<1.0.0d) or is not built with the appropriate optimizations enabled.

== Vanity addresses for other crypto-coins ==
While all "normal" bitcoin addresses start with a "1" (one) (except multi-signature addresses that start with "3"), some other crypto-coins use different address name spaces. Vanitygen (as of version 0.22) can be used to produce vanity addresses for these crypto coins as well (but not for [http://bitmessage.org bitmessage] addresses), by using the "-X" option. The following list provides some example command line calls and also indicates the address range for the respective coin:

Generate '''Bitcoin''' (BTC), '''Devcoin''' (DVC), '''Freicoin''' (FRC), '''Terracoin''' (TRC) addresses:
$ ./vanitygen -X 0 1 -k
or simply just
$ ./vanitygen 1 -k

Generate '''Bitcoin''' (BTC) etc. '''multi-signature''' addresses:
$ ./vanitygen -X 5 3 -k
$ ./vanitygen -X 5 31 -k
$ ./vanitygen -X 5 39 -k
$ ./vanitygen -X 5 3A -k
$ ./vanitygen -X 5 3R -k

Generate '''Novacoin''' (NVC) addresses:
$ ./vanitygen -X 8 4 -k
$ ./vanitygen -X 8 4D -k
$ ./vanitygen -X 8 4Z -k
$ ./vanitygen -X 8 4a -k
$ ./vanitygen -X 8 4d -k

Generate '''Feathercoin''' (FTC) addresses:
$ ./vanitygen -X 14 6 -k
$ ./vanitygen -X 14 6d -k
$ ./vanitygen -X 14 6z -k
$ ./vanitygen -X 14 7 -k
$ ./vanitygen -X 14 71 -k
$ ./vanitygen -X 14 72 -k
$ ./vanitygen -X 14 73 -k

Generate '''Anoncoin''' (ANC) addresses:
$ ./vanitygen -X 23 A -k
$ ./vanitygen -X 23 AF -k
$ ./vanitygen -X 23 AZ -k
$ ./vanitygen -X 23 Aa -k
$ ./vanitygen -X 23 Af -k

Generate '''Franko''' (FRK) addresses:
$ ./vanitygen -X 35 F -k
$ ./vanitygen -X 35 FD -k
$ ./vanitygen -X 35 FE -k
$ ./vanitygen -X 35 FN -k
$ ./vanitygen -X 35 FR -k

Generate '''Digitalcoin''' (DGC) addresses:
$ ./vanitygen -X 30 D -k
$ ./vanitygen -X 30 D5 -k
$ ./vanitygen -X 30 D9 -k
$ ./vanitygen -X 30 DA -k
$ ./vanitygen -X 30 DU -k

Generate '''Litecoin''' (LTC) addresses:
$ ./vanitygen -X 48 L -k
$ ./vanitygen -X 48 LK -k
$ ./vanitygen -X 48 LZ -k
$ ./vanitygen -X 48 La -k
$ ./vanitygen -X 48 Li -k

Generate '''Namecoin''' (NMC) addresses:
$ ./vanitygen -X 52 M -k
$ ./vanitygen -X 52 Mv -k
$ ./vanitygen -X 52 Mz -k
$ ./vanitygen -X 52 N -k
$ ./vanitygen -X 52 N1 -k
$ ./vanitygen -X 52 N9 -k
$ ./vanitygen -X 52 NA -k
$ ./vanitygen -X 52 NK -k

Generate '''PPCoin''' (PPC) addresses:
$ ./vanitygen -X 55 P -k
$ ./vanitygen -X 55 P8 -k
$ ./vanitygen -X 55 P9 -k
$ ./vanitygen -X 55 PA -k
$ ./vanitygen -X 55 PX -k

Generate '''YaCoin''' (YAC) addresses:
$ ./vanitygen -X 77 X -k
$ ./vanitygen -X 77 Xz -k
$ ./vanitygen -X 77 Y -k
$ ./vanitygen -X 77 Y1 -k
$ ./vanitygen -X 77 Y9 -k
$ ./vanitygen -X 77 YA -k
$ ./vanitygen -X 77 YP -k

Generate '''BBQcoin''' (BQC) addresses:
$ ./vanitygen -X 85 b -k
$ ./vanitygen -X 85 bC -k
$ ./vanitygen -X 85 bZ -k
$ ./vanitygen -X 85 ba -k
$ ./vanitygen -X 85 bc -k

Generate '''Ixcoin''' (IXC) addresses:
$ ./vanitygen -X 138 x -k
$ ./vanitygen -X 138 xX -k
$ ./vanitygen -X 138 xZ -k
$ ./vanitygen -X 138 xa -k
$ ./vanitygen -X 138 xv -k

Generally, to find out the address format of a given crypto-coin (i.e. the number after the -X option of vanitygen) one can use this service:
<nowiki>http://darkgamex.ch:2751/q/decode_address/<Address></nowiki>
Example: Take any Litecoin address, e.g. "LNipKabgGoTPnzhxsyFwTZdjVSXybjWucp", and submit this URL:
http://darkgamex.ch:2751/q/decode_address/LNipKabgGoTPnzhxsyFwTZdjVSXybjWucp
The browser output will be:
30:265dcf8616a9723d3b4ba35c246b041e20013597
The '''30''' is Litecoin's address format in hex (!), i.e. '''30''' (hex) = 48 (decimal) [because '''3'''*16 + '''0'''*1 = 48], i.e. use '''-X 48''' in vanitygen to generate Litecoin addresses.

Some related info here: https://en.bitcoin.it/wiki/List_of_address_prefixes

== See also ==
* [[Firstbits]]
* [[Bitcoin Vanity Generation Website]]

[[Category:Vanity address]]

Comparison of cryptocurrencies

2013-12-24T15:47:52Z

NatiLitecoin:

This article aims to list relevant cryptocurrencies, even those too minor to have their own wiki entry. See also [[:Category:Alternative cryptocurrencies]]

It is based [https://bitcointalk.org/index.php?topic=134179.0 on this thread].

= Currencies =

The order / grouping of these coins are still TBD.

[[User:Ripper234|Ripper234]] proposes a grouping of Major, Minor and New by an arbitrary market cap limit. This can be done once the market caps of the alts are known.
* Using market cap will make Tonal Bitcoin a "Major" despite de facto minor usage. Therefore, I suggest finding a different method of categorizing. --[[User:Luke-jr|Luke-jr]] ([[User talk:Luke-jr|talk]]) 05:06, 4 March 2013 (GMT)

== Major ==

=== Bitcoin (BTC) ===
* http://bitcoin.org/
* blocks every '''10 min'''
* coin supply* '''21 million''' coins will be available
* difficulty adjustment* '''2016 blocks'''
* hashing algorithm '''SHA256d'''
* Initial Reward '''50 '''coins per block
* Market Cap: $144,000,000 (Jan 5th, 2013)
* Launch Date: January 3rd, 2009

=== Namecoin (NMC) ===
* https://en.bitcoin.it/wiki/Namecoin
* (merged mined with BTC)
* https://github.com/vinced/namecoin
* http://namecoin.info/
* blocks every '''10 min'''
* coin supply* '''21 million''' coins will be available
* difficulty adjustment '''2016 blocks'''
* hashing algorithm '''SHA256d'''
* Initial Reward '''50 '''coins per block
* Market Cap: ???? BTC
* Launch Date: April 18, 2011

=== Litecoin (LTC) ===
* http://litecoin.org/
* blocks every '''2.5 min'''
* coin supply* '''84 million''' coins will be available
* difficulty adjustment '''2016 blocks'''
* hashing algorithm '''scrypt '''
* Initial Reward '''50''' coins per block
* Market Cap: 150,000 BTC
* Launch Date: October 2011

=== PPCoin (PPC) ===
* http://ppcoin.org/
* https://bitcointalk.org/index.php?topic=101820.0
* blocks every '''10 min'''
* Coin supply* '''non-deterministic ''' coins will be available
* difficulty adjustment '''each block'''
* hashing algorithm '''SHA-256'''
* Reward '''varies on difficulty''' coins per block
* EXTRA: Incorporates [[Proof Of Stake]] coin Generation, contains central checksums to kickstart the protocol
* Market Cap: ???? BTC
* Launch Date: approx August 19th, 2012 (date of its [http://ppcoin.org/static/ppcoin-paper.pdf whitepaper])
** The public design phase of this coin was very brief.

== New ==
New in on the scene.
Please put here any coins whose concept are new. If a coin is discussed for 6 months and launched yesterday, it is not new.

=== Betacoin (BET) ===
* http://betacoin.org/
* Blocks every '''4 min'''
* Coin supply* '''32 million''' coins will be mined in ~ first 6 years + '''0,39% annual'''
* Difficulty adjustment* '''6 blocks'''
* Hashing algorithm '''SHA256d'''
* Initial Reward '''128 '''coins per block
* Block reward halfed every 126k blocks (~ 1 year)
* Launch Date: October, 2013

=== Nxt (NXT) ===
* http://nextcoin.org
* Pronounced as "Next"
* Blocks every '''1 min'''
* Designed as 100% PoS (Proof-of-Stake) system
* Coin supply* '''1 billion''' coins exist from the start distributed by 74 founding stake holders
* Launch Date: September, 29, 2013

== Minor ==
=== Megacoin (MΣC) ===
* http://www.megacoin.co.nz/
* https://forum.megacoin.co.nz
* Block Target is 2.5 minutes
* Block reward halved every every 420,000 blocks
* 25 coins per block
* 42 Million total coins
* Difficulty changes every block

The implentation of the Kimoto Gravity well retargets difficulty every block. This keeps mining fair and secure for all miners and users of the coin, and prevents the rampant multipool abuse that was (and still is) common with most all other altcoins out on the market today.

=== AnonCoin (ANC) ===
* https://anoncoin.net/
* https://forum.anoncoin.net
* Block Target is 3.4 minutes
* Block reward halfed every 306k blocks
* 5 coins per block
* 4.2 million total coins
* Difficulty changes every block

Anoncoins goal is to make the user more Anonymous by having built-in support for I2P, Coincontrol, and more in the future.

=== Franko (FRK) ===
* http://www.frankos.org/
* http://forum.frankos.org
* Block Target is 0.5 minutes
* Block reward halfed every 22m blocks
* 0.25 coins per block
* 11.2 million total coins
* Difficulty changes every 720 blocks

Franko is considered the crypto with the fairest adoption length. Accepted by over 50 merchants and 10 brick and mortar stores.

Base currency used by the Franko Collective, a democratic group of developers.

=== FeatherCoin (FTC) ===
* http://feathercoin.com/
* A fork of Litecoin
* 243 million total coins

=== CraftCoin (CRC) ===
* http://craftcoin.net/
* Based on Litecoin
* Portable in-game currency for Minecraft Servers
* 206,847 total coins

=== Tonal Bitcoin (TBC) ===
* [[Tonal Bitcoin]]
* (merged mined with BTC)
* (blockchain shared with BTC)
* (automatically converted to/from BTC)
* blocks every '''10 min'''
* Coin supply* '''7.8 tam''' coins will be available
* difficulty adjustment '''2016 blocks'''
* hashing algorithm '''SHA-256'''
* Initial Reward '''1,2905.2''' coins per block
* Market Cap: $144,000,000 (Jan 5th, 2013)
* Launch Date: January 2rd, 2011

=== IxCoin (IXC) ===
* https://bitcointalk.org/index.php?topic=36701.0
* (merged mined with BTC)
* blocks every '''10 min'''
* Coin supply* '''21 million''' coins will be available
* difficulty adjustment '''2016 blocks'''
* hashing algorithm '''SHA1'''
* Reward '''96 '''coins per block

=== Devcoin (DEV) ===
* https://bitcointalk.org/index.php?topic=34586.0
* (merged mined with BTC)
* blocks every '''10 min'''
* coin supply* '''constant generation''' coins will be available (???)
* difficulty adjustment '''2016 blocks'''
* hashing algorithm '''SHA256d'''
* Reward '''50,000''' coins per block
* '''EXTRA 90% block subsidy goes to foundation'''

=== Freicoin (FRC) ===
* http://freico.in/
* http://www.freicoin.org/
* https://bitcointalk.org/index.php?topic=89843.0
* https://bitcointalk.org/index.php?topic=3816.0
* blocks every '''10 minutes'''
* coin supply* '''100 million''' coins will be available
* difficulty adjustment '''2016 blocks'''
* hashing algorithm '''SHA-256'''
* [http://www.freicoin.org/freicoin-generation-graph-t41-20.html#p532 Arithmetically decreasing] reward
* EXTRA:
-- 4.89% annual [http://en.wikipedia.org/wiki/Demurrage_currency demurrage]
-- 80% block subsidy [http://www.freicoin.org/application-developer-best-practices-t87.html#p919 goes to foundation for the first 3 years] (about 500 coins for each of first 161280 blocks, total 80m)
-- [u]In need of Dev work on daemon, client etc but network still running[/u]

=== I0coin (I0C) ===
* https://bitcointalk.org/index.php?topic=36425.0 ; https://github.com/kr105rlz/i0coin
* Perhaps should be moved to Dead section?

=== Terracoin (TRC) ===
* http://terracoin.org/
* blocks every '''2 minutes'''
* coin supply* '''42 million''' coins will be available
* difficulty adjustment '''30 blocks'''
* hashing algorithm '''SHA-256'''
* Reward '''20''' coins per block

=== Liquidcoin (LQC) ===
* https://bitcointalk.org/index.php?topic=60026.0
* blocks every '''10 minutes'''
* '''no cap''' as block subsidy has a minimum of 1 coin
* Constant difficulty of '''0.5'''
* Coin reward drops over time

=== BBQCoin (BQC) ===
* http://blog.bbqcoin.org http://www.bbqcoin.com
* blocks every '''1 minute'''
* coin supply* '''88 million''' coins will be available
* difficulty adjustment '''60 blocks'''
* hashing algorithm '''Scrypt'''
* Reward '''42''' coins per block

=== BitBar (BTB) ===
* http://bitbar.biz/home
* blocks every '''10 minutes'''
* hashing algorithm '''Scrypt'''
* Reward '''1''' coin per block
* Coin reward drops over time

=== Netcoin (NET) ===
* Main - http://netcoin.org.uk/
* Forums - http://forum.netcoinfoundation.org/
* blocks every '''1 min'''
* coin supply* '''320.6 million''' coins will be available
* difficulty adjustment* '''60 blocks'''
* hashing algorithm '''Scrypt'''
* Initial Reward '''1024 '''coins per block
* Reward Halves '''Every 3 months or 129,600 Blocks'''
* Market Cap: approx. $200,000 (Dec 4th, 2013)
* Launch Date: Sept 2nd, 2013

== dead / dying ==
===Qubic===
https://bitcointalk.org/index.php?topic=112676.0
Qubic Forum: http://qubic.boards.net
===TimeKoin===
Still alive* http://timekoin.org/* https://bitcointalk.org/index.php topic=88467.0
===SC Solidcoin===
scam?* https://en.bitcoin.it/wiki/SolidCoin ; http://solidcoin.info/
===GG Geist Geld===
https://bitcointalk.org/index.php?topic=42417.0 ; https://github.com/Lolcust/GeistGeld
===TBX Tenebrix===
https://bitcointalk.org/index.php?topic=45667.0 ; https://github.com/Lolcust/Tenebrix
===FBX Fairbrix===
https://bitcointalk.org/index.php?topic=46528.0 ; https://github.com/coblee/Fairbrix
===CLC Coiledcoin===
killed in 51% attack ; https://bitcointalk.org/index.php?topic=56675.0
===RUC Rucoin===
https://www.rucoin.org/ ; https://bitcointalk.org/index.php?topic=48582.0
===MMM MMMcoin===
dead
===Weeds===
[https://bitcointalk.org/index.php?topic=9493.0]
===Beertoken===
[https://bitcointalk.org/index.php?topic=9493.0]

==See Also==

* [http://bitcointalk.org/index.php?topic=134179.0 List of all cryptocoins] curated list on BitcoinTalk forum.

[[Category:Alternative cryptocurrencies]]