Solana Has Lost 68% of its Validators in Three Years

Solana has lost 68% of its validators in three years, dropping from around 2,500 to about 800 after a purge launched in 2025. Joseph Chalom, co-CEO of Sharplink and former BlackRock executive, contrasts this decline with Ethereum’s over 900,000 validators. This battle of figures reignites the debate on the true decentralization of major blockchains. Will institutional investors decide in favor of robustness over speed?

Why does Chalom oppose Ethereum and Solana validators?

Joseph Chalom, co-CEO of Sharplink and former Head of Digital Asset Strategy at BlackRock, challenges the persistent idea of a cultural problem at Ethereum, a criticism circulating for several months in the crypto community.

He also contrasts the network’s more than 900,000 active validators with the roughly 800 still counted on Solana, a gap he considers decisive for the future of smart contracts.

This confrontation comes as Solana has just reinforced its on-chain governance with the Solana Governance Proposals, a mechanism that redistributes voting power between validators and token holders. However, Chalom believes this effort does not compensate for the erosion in the number of validators.

Electric Capital indeed counts more than one million cumulative contributors to Ethereum’s code since its creation, including about 232,000 who remained active over the past twelve months. On Solana, however, 92% of applications still run on a single software client, a concentration Chalom considers risky for network resilience in the event of a major bug.

What are the stakes for decentralization after Solana’s validator purge?

Solana had about 2,500 validators three years ago before introducing a pruning process in 2025 aimed at removing inactive or poorly performing nodes. This choice thus reduced their number to about 800, a purge its supporters describe as a qualitative improvement.

Chalom recalls that his years at BlackRock showed him the large institutions’ constant preference for network neutrality and resistance to capture by a single actor. Sharplink also illustrates this conviction through its ether treasury strategy, raised to 886,725 ETH at the end of June, and its financial support to Ethlabs, a research center founded by former Ethereum Foundation members.

Yet a historical figure of the Ethereum Foundation acknowledged that the network still lacks a clear value proposition to convince new investors. Meanwhile, the Solana team defends a lighter and faster network, better suited, according to them, for high-frequency trading and applications aimed at the general public.

This numbers duel illustrates two opposing visions of decentralization, between robustness of numbers and operational lightness. Three factors will influence what follows: institutional appetite for Ethereum ETFs, the trajectory of Solana validators after its purge, and the growing role of tokenization. The standards battle is just beginning.