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Dormant Crypto Wallets (5+ Years Inactive)

Looking at the entire crypto ecosystem, reliable global data mainly exists for Bitcoin.

Key figures (as of mid-2026):

~6.3 – 6.7 million BTC* have not moved for *5 years or longer**
This represents roughly 32–33% of the circulating Bitcoin supply
Estimated value: $410 – 430 billion (at current prices around $64,500–65,000)

Important notes:
These numbers come from on-chain analysis (UTXO age bands).
A portion is truly lost (forgotten keys), while another portion is intentional long-term cold storage (HODLing).
Exact number of individual wallets/addresses is not precisely known, but the value is heavily concentrated in a smaller number of larger holdings + many smaller ones.

Other cryptocurrencies:
Ethereum has some notable dormant amounts (e.g. ~1.42 million ETH from the 2014 presale that never moved), but the value is far smaller than Bitcoin’s.
Comprehensive data for all other coins across every chain does not exist.

Bottom line:
The vast majority of long-dormant crypto value sits in Bitcoin — approximately 6.5 million BTC worth around $420 billion that hasn’t moved in 5+ years.