YACoin - Your Alternative Currency

02/01/21
Planned YACoin Resurrection Hard Fork – Heliopolis
YACoin will hardfork at block 1,890,000 with major upgrades:
- PoW ONLY – No more Proof of Stake. Proof of Work is the innovation of Bitcoin.
- 2% annualized supply inflation max. Fees are destroyed, which can cause supply deflation with increased economic activity. The block reward is calculated off of the total money supply. First PoW coin to do so.
- Unique algorithm. Sticking to its roots, YAC will maintain the inventive scrypt-chacha (aka scrypt-jane). NFactor will be set at 21 to be ASIC resistance but also mineable for many CPUs and GPUs.
- Intelligent Block Size Increase. Block size will increase over time at no more than 2%--dependent on the total money supply.
- Set epoch lengths. At 21,000 blocks for each epoch, the ‘compounding bad luck’ problem faced by the mining ecosystem is addressed. The system incentivizes more decentralization, smaller miners/pools.
- Timelock and atomic swap/loans capabilities.
- Upgrade includes many bug fixes (incl. txid malleability bug, UTC timestamp bug) as well as other features and more to come.
View @github
05/03/16

Block 1,500,000

YACoin reaches block 1,500,000! A Proof of Work block with 99.04 coins generated.

View @ explorer
04/07/15

Block 1,000,000

YACoin reaches block 1,000,000! A Proof of Work block with 79.12 coins generated.

View @ explorer
10/13/14

Block 750,000

YACoin reaches block 750,000! A Proof of Work block with 77.13 coins generated.

View @ explorer
04/07/2013

Block 500,000

YACoin reaches block 500,000! A Proof of Work block with 46.76 coins generated.

View @ explorer
2/12/2014

Planned Fork @ Block 420,000

In order to alleviate an issue where some POS blocks were overriding already accepted POW blocks, a mandatory upgrade to v0.4.2 before block 420,000 was required.
12/09/2013

Huge Speedup in Yacoin-Qt Startup Time

sairon and an anonymous friend were able to fix the slow startup time issue with Yacoin-Qt.

View commit @github
10/15/2013

Block 250,000

YACoin reaches block 250,000! A Proof of Work block with 46.75 coins generated.

View @ explorer
8/24/2013

Coin Control Added to YAC

Coin control feature was added to YACoin which enables users to control which addresses are used for their transactions and can help conserve coin age and privacy.

View commit @github
8/22/2013

Joe_Bauers Continues Developement

Due to the continuing wonders of open source software, another dev is able to continue where pocopoco and Windmaster left off.

View thread @ bitcointalk
6/18/2013

Block 100,000

YACoin reaches block 100,000! A Proof of Work block with 24.2 coins generated.

View @ explorer
5/15/2013

Windmaster Continues Developement

Perhaps taking a queue from Satoshi, pocopoco "moves on to other things". Due to the wonders of open source software, another dev is able to continue where pocopoco left off and https://github.com/yacoin/ is born.

View thread @ bitcointalk
5/8/2013
Yacoin Released!!!
Original Yacoin developer pocopoco released Yacoin on 5/8/2013, introducing the following concepts to the world:
- The N parameter of Scrypt(N, 1, 1) increases over time and 256 bits of its output are used by the YACoin protocol.
- SHA-3/Keccak-512 as a hashing used in Scrypt
- ChaCha20/8 stream cypher used as a mixing function in Scrypt
View thread @ bitcointalk

YAC Timeline

Planned YACoin Resurrection Hard Fork – Heliopolis

Block 1,500,000

Block 1,000,000

Block 750,000

Block 500,000

Planned Fork @ Block 420,000

Huge Speedup in Yacoin-Qt Startup Time

Block 250,000

Coin Control Added to YAC

Joe_Bauers Continues Developement

Block 100,000

Windmaster Continues Developement

Yacoin Released!!!