The Neo Legacy MainNet was formally decommissioned on Oct. 31, 2025, marking the top of a nine-year operational interval for the unique Neo blockchain.
Earlier than the shutdown, a remaining snapshot of the Neo Legacy chain was taken to protect its historic state. Though customers who didn’t migrate their property to Neo N3 previous to the closure will nonetheless have a future alternative to take action, the post-shutdown migration course of will depend on an off-chain mechanism and is predicted to be considerably slower than the on-chain choice accessible earlier than deactivation.
The legacy community has been shut down, however your property usually are not misplaced. We’ll be asserting an off-chain migration plan quickly for neo legacy holders. Please be aware that off-chain migration received’t be as handy as on-chain migration, however it should nonetheless assist you to recuperate your property… https://t.co/5h1m26doZz
— Erik Zhang (@neoerikzhang) November 3, 2025
Over the course of its lifetime, Neo Legacy produced greater than 14 million blocks and processed over 281 million transactions. The community supported practically 3 million distinctive addresses and facilitated the creation of 213 distinct asset classes. Serving because the foundational infrastructure for the early improvement of the Neo ecosystem, Neo Legacy performed a central position in establishing the group and its core functionalities.
Neo Legacy was succeeded by Neo N3 in June 2021. The upgraded protocol launched a redesigned structure that includes built-in oracles, on-chain governance, native decentralized storage, and enhanced sensible contract efficiency. As a result of lack of backward compatibility between Neo N3 and its predecessor, a dual-chain strategy was maintained to offer customers and builders enough time emigrate property and functions. With Neo Legacy now decommissioned, ongoing improvement efforts are targeted on Neo N3, together with work on its subsequent main protocol iteration, Neo v4.0
Neo was initially based in 2014 by Da Hongfei and Erik Zhang below the identify AntShares. The AntShares MainNet launched in October 2016, targeted on digital id, digital property, and sensible contract execution. The challenge rebranded to Neo in 2017 because it started increasing globally. When improvement on Neo N3 started, the unique chain was designated Neo Legacy to replicate its standing as the sooner protocol era.
