Famous Bitcoin addresses · Exchange reserves
Bitfinex cold wallet 3JZq4a
3JZq4atUahhuA9rLhXLMhhTo133J9rF97jBitfinex lists this address as a BTC cold wallet in the wallet list it published in November 2022. It first appeared in November 2018 and holds about 26,900 BTC across several thousand transactions.
Balance
₿ 26,883.87780547$2,200,095,908 · price as of 14 Oct 2026
- Txs
- 6,065
- Utxos
- 127
- Since
- 2 Nov 2018
- Last seen
- 14 Oct 2026
- Type
- Script Hash P2SH
- Updated
- 14 Oct 2026
Value over time
Label · with receipt
Bitfinex.com Exchange
Source: Bitfinex published wallet list (GitHub, 11 Nov 2022) · evidence tier verified · a documented published address association · source checked 14 Oct 2026.
Receipt: sha256:e6e7f376f383…8 of 9 components checked, 14 Oct 2026
Other public sources say: Bitfinex.com (the exchange's proof-of-reserves file, verified, fact); bitfinex BTC cold wallet (GraphSense TagPacks, a public research dataset, high, inference).
Chain notes
- Unspent outputs Attention
127 unspent outputs. This address holds many separate coins. Spending them together can cost more in fees than spending fewer, larger coins. What an unspent output is
- Small outputs Good
No output costs more to spend than it holds at typical fees. What dust is
- Address reuse Info
Seen in 6,065 transactions. Repeated use of one address is publicly linkable. What address reuse means
- Address type Info
Script hash (P2SH). The script behind it shows on the chain only when an output is spent. What the address types mean
- Unspent output distribution Good
The balance is spread across several unspent outputs. The largest holds 6%. What a change output is
- Activity Good
Active in the last week. What dormant, quiet and pending mean
The notes describe what the chain shows; they do not rate the address. Chain notes, explained.
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