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((morerefs|date=November 2018))
((Infobox cryptocurrency
| currency_name = Neo
| image_1 = Neo symbol.svg
| image_title_1 = 
| image_width_1 = 150px
| subunit_ratio_1 = 
| subunit_name_1 = 
| subunit_ratio_2 = 
| subunit_name_2 = 
| symbol = 
| ticker_symbol = Neo, formerly ANS
| coin_definition = 
| precision = 
| white_paper = https://docs.neo.org/docs/en-us/basic/whitepaper.html
| implementations = 
| initial_release_version = 
| initial_release_date = ((Start date and age|2014|02|)) as AntShares and rebranded as Neo in June 2017<ref name="crypto">((Cite web|title=Cryptocurrencies and blockchain|url=https://www.europarl.europa.eu/cmsdata/150761/TAX3%20Study%20on%20cryptocurrencies%20and%20blockchain.pdf|website=European parliament))</ref>
| code_repository = [https://github.com/neo-project NEO Github]
| status = 
| latest_release_version = 
| latest_release_date = 
| forked_from = 
| project_fork_of = 
| programming_languages = [[C Sharp (programming language)|C#]]
| operating_system = 
| author = Da Hongfei, Erik Zhang
| developer = 
| source_model = 
| license = MIT
| website = ((URL|https://neo.org))
| block_explorer = ((URL|https://neotracker.io/)) <br> ((URL|https://neoscan.io/))
| ledger_start = 
| ledger_genesis = 
| split_date = 
| split_from = 
| hash_function = 
| circulating_supply = 70,530,000
| total_supply = 
| supply_limit = 100,000,000
| issuance = 
| issuance_schedule = 
| timestamping = 
| merged_mining_parent = 
| block_time = 15-25 seconds((cn|date=May 2019))
| block_reward = 
| exchange_rate = <!-- Requires a reliable source. -->
| market_cap = <!-- Requires a reliable source. -->
| footnotes = ((notelist
|group=infobox))
))
'''Neo''' is a [[blockchain]]-based [[cryptocurrency]] and application platform used to run [[smart contracts]] and [[decentralized application]]s. The project, originally named '''Antshares''', was founded in 2014 by Da HongFei and Erik Zhang and rebranded as Neo in 2017.<ref name="crypto"/> In 2017 and 2018, the cryptocurrency maintained some success in the Chinese market despite the recently-enacted prohibition on cryptocurrency in that country.<ref name=bloomberg/><ref name=reuters/>

==Technical specifications==

The Neo network runs on a [[proof of stake|proof-of-stake]] decentralized [[Byzantine fault]] tolerant (dBFT) consensus mechanism between a number of centrally approved nodes,<ref>((Cite journal|last1=Coelho|first1=Igor M.|last2=Coelho|first2=Vitor N.|last3=Araujo|first3=Rodolfo P.|last4=Yong Qiang|first4=Wang|last5=Rhodes|first5=Brett D.|title=Challenges of PBFT-Inspired Consensus for Blockchain and Enhancements over Neo dBFT|journal=Future Internet|year=2020|language=en|volume=12|issue=8|pages=129|doi=10.3390/fi12080129|doi-access=free))</ref> and can support up to 10,000 transactions per second.<ref name=bloomberg>((Cite news|title=China's Largest Cryptocurrency Thrives Despite Intense Crackdown|work=Bloomberg News|url=https://www.bloomberg.com/news/articles/2018-01-11/china-s-largest-cryptocurrency-thrives-despite-intense-crackdown))</ref> The base asset of the Neo blockchain is the non-divisible Neo token which generates GAS tokens. These GAS tokens, a separate asset on the network, can be used to pay for transaction fees, and are divisible with the smallest unit of 0.00000001. The inflation rate of GAS is controlled with a decaying half-life algorithm that is designed to release 100 million GAS over approximately 22 years.<ref name="computable">((cite web |url=https://www.computable.nl/artikel/achtergrond/technologie/6306817/5182002/werking-dbft-via-neo-in-kaart-gebracht.html |title= Operation of dBft mapped via Neo |first= Krijn |last= Soeteman |publisher= Computable |date= 10 February 2018 |access-date= 23 March 2018))</ref>

[[X.509]] Digital Identities allow developers to tie tokens to real-world identities which aid in complying with [[Know your customer|KYC/AML]] and other regulatory requirements.<ref name="computable" />

== History ==
In 2014, ''Antshares'' was founded by Da Hongfei and Erik Zhang. In the following year, it was open-sourced on [[GitHub]] and by September 2015, the white paper was released.((cn|date=February 2021))

A total of 100 million Neo were created in the genesis block.<ref name="computable" /> 50 million Neo were sold to early investors through an [[initial coin offering]] in 2016 that raised US 4.65 million,<ref name=reuters>((Cite news|last=Glenn|first=Brenda Goh, Elias|date=2017-09-13|title=Cryptocurrency chaos as China cracks down on ICOs|language=en|work=Reuters|url=https://www.reuters.com/article/us-china-finance-digital-ico-analysis-idUSKCN1BN33R|access-date=2020-09-17))</ref> with the remaining 50 million Neo locked into a smart contract. Each year, a maximum of 15 million Neo tokens are unlocked which are used by the Neo development team to fund long-term development goals.<ref name="computable"/>

Neo was officially rebranded from ''Antshares'' in June 2017, with the idea of combining the past and the future.((cn|date=February 2021))

Neo3 or N3 was first announced by Erik Zhang in 2018 as an upgrade to the previous Neo protocol (now known as Neo Legacy).((cn|date=October 2023)) Certain new features do not have [[backward compatibility]] with the Neo Legacy blockchain. N3 was implemented and launched with a new genesis block.<ref>((Cite web|last=neo-project|title=Migration - Neo Smart Economy|url=https://neo.org/migration|access-date=2021-05-07|website=neo.org|language=en))</ref>

In March 2018, Neo's parent company Onchain distributed 1 Ontology token (ONT) for every 5 NEO held in a user's [[cryptocurrency wallet]]. These tokens were intended to be used to vote on system upgrades, identity verification mechanisms, and other governance issues on the Neo platform.<ref name="cnbc1">((cite web
|url=https://www.cnbc.com/2018/03/12/want-free-cryptocurrency-airdrops-is-coming.html|title= 'Airdrops' are coming|first= Evelyn |last= Chang |publisher= CNBC|date= 12 March 2018|access-date= 23 March 2018))</ref>

== References ==
((Reflist|30em))

== External links ==
*[https://neo.org/ Official Website]

((Cryptocurrencies))

[[Category:Blockchains]]
[[Category:Cryptocurrency projects]]

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