Validator Inflation Costs Leave Solana and Ethereum Reeling
A recent analysis from crypto data provider Kaiko has shed light on the financial struggles of several major blockchain networks. According to the report, Solana (SOL) recorded $4.15 billion in net losses in 2025, while Ethereum (ETH) lost $1.62 billion. Despite generating significant revenue through transaction fees, both networks' validator inflation costs far exceeded their earnings.
The findings highlight the economic challenges faced by many Layer 1 blockchains. Even though Solana produced $170 million in fees and Ethereum generated $260 million in revenue, their losses due to token issuance greatly outweighed these earnings. Only Tron (TRX) managed to maintain positive earnings, bringing in $624 million in revenue that exceeded its token issuance costs.
Kaiko's analysis evaluates blockchain earnings by comparing annual fee revenue against the market value of newly issued tokens distributed to validators or stakers. The report found that inflation costs across many Layer 1 networks exceed revenue by multiples ranging from seven to 25 times, effectively diluting token holders' ownership.