Imagine your @openclaw has eyes on how a wallet's portfolio has changed over past 30 days. With the 𝐧𝐚𝐧𝐬𝐞𝐧-𝐩𝐨𝐫𝐭𝐟𝐨𝐥𝐢𝐨-𝐭𝐫𝐚𝐜𝐤𝐞𝐫 skill, it now can. See historical balances over time, current snapshot, per-token PnL with realized ROI. Your agent now has onchain lens into full portfolio history.(Nansen 🧭)