According to @OnchainLens, Nansen subscriptions are priced at $69 per month or $49 per month on a 1-year plan, with an additional 10% discount on all plans, source: @OnchainLens on X, Dec 11, 2025; https://twitter.com/OnchainLens/status/1999137725660983789; https://nsn.ai/OnchainLens. Based on the stated prices, the effective post-discount cost is $62.10 per month for the monthly plan and $44.10 per month for the annual plan, with the annual total equating to $529.20, calculation derived from the prices stated by @OnchainLens; source: @OnchainLens on X, Dec 11, 2025; https://twitter.com/OnchainLens/status/1999137725660983789. The sign-up link for this offer is provided as https://nsn.ai/OnchainLens, source: @OnchainLens on X, Dec 11, 2025; https://twitter.com/OnchainLens/status/1999137725660983789.