Famous Bitcoin addresses · Exchange reserves
OKX proof-of-reserves wallet 13jTtH
13jTtHxBPFwZkaCdm6BwJMMJkqvTpBZccwOKX lists this address in the wallet file behind its proof of reserves. It first appeared in September 2019, holds 3,000 BTC and has moved only a handful of times.
Balance
₿ 3,000.00009302$245,511,008 · price as of 14 Oct 2026
- Txs
- 18
- Utxos
- 18
- Since
- 4 Sep 2019
- Last seen
- 4 Nov 2025
- Type
- Legacy P2PKH
- Updated
- 14 Oct 2026
Value over time
Label · with receipt
OKX Exchange
Source: OKX · evidence tier verified · a documented published address association · source checked 28 Mar 2026.
Receipt: sha256:2406026b5655…8 of 9 components checked, 14 Oct 2026
Other public sources say: OKEx (the Bitcoin temporal graph research dataset, high, inference); exchange (GraphSense TagPacks, a public research dataset, high, inference).
Chain notes
- Unspent outputs Warning
18 unspent outputs. Spending many separate outputs together can cost more in fees than spending fewer, larger outputs. 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 18 transactions. Repeated use of one address is publicly linkable. What address reuse means
- Address type Info
Legacy (P2PKH), the original address format. Relative fees depend on transaction structure. What the address types mean
- Unspent output distribution Info
99% of the balance sits in one output. A partial spend of it creates a change output visible on the chain. What a change output is
- Activity Info
Quiet. No transactions in 11 months. 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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