Famous Bitcoin addresses · Governments and seizures
The Silk Road seizure address
1FfmbHfnpaZjKFvyi1okTjJJusN455paPHThe address the US government used for the bitcoin it seized from Silk Road's founder when the marketplace was shut down in October 2013. The government's notice of forfeiture lists it as the public key holding the coins taken from his computer hardware on 25 October 2013. Most of the bitcoin was later sold at US Marshals auctions; about 1.25 BTC remains.
Balance
₿ 1.25075509$102,377 · price as of 14 Oct 2026
- Txs
- 1,074
- Utxos
- 242
- Since
- 25 Oct 2013
- Last seen
- 15 Aug 2026
- Type
- Legacy P2PKH
- Updated
- 14 Oct 2026
Value over time
Label · with receipt
US Government Government
Source: US Attorney S.D.N.Y., Notice of Forfeiture, 1:13-cv-06919 Dkt 14 (published 8 Nov 2013) · evidence tier verified · a documented published address association · source checked 14 Oct 2026.
Receipt: sha256:bdc95174b30a…8 of 9 components checked, 14 Oct 2026
Other public sources say: FBI (a public address label dataset on GitHub, medium, inference).
Chain notes
- Unspent outputs Attention
242 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 1,074 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
92% 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 Good
Last transaction 60 days ago. 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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