Portfolio

Open-source, private, watch-only.

cryptoseer

open-source watch-only wallet tracker

Bitcoin + Ethereum | Private by design

Open-source watch-only portfolio

A more private, modern, and simpler alternative to Delta.

No account required. Wallet addresses stay in your browser, and you can audit the stack end-to-end.

Portfolio Value € 0,00 0 tracked wallets
All-Time High Not available ATH is based on current holdings and Coinbase daily history.
Display Currency EUR Change this in the header to apply globally. EUR display mode

No Wallets Tracked Yet

Add a Bitcoin or Ethereum address to start private watch-only tracking.

Data sources: Coinbase Exchange (pricing + history), Blockstream (Bitcoin chain data), Blockscout (Ethereum chain data).

Cryptoseer is an open-source watch-only tracker built as a simpler alternative to Delta. Your addresses are queried against third-party APIs for balances, pricing, and history: Coinbase Exchange, Blockstream, and Blockscout.