Bitcoin · Historical retrospective · 2013
BIP 39 standardized mnemonic phrases for wallet recovery
BIP 39 defines how a random value can be encoded as a human-readable word sequence and converted into a wallet seed.
Read the briefing →Historical archive · 2013 · 3 briefings
Crypto milestones in 2013
3 original, source-linked historical crypto briefings associated with events or proposals documented in 2013. Articles were published Sep 28, 2026.
Bitcoin · Historical retrospective · 2013
BIP 70 explored richer merchant payment messages
BIP 70 proposed a payment protocol for exchanging invoices, payment details and acknowledgements beyond a bare Bitcoin address.
Read the briefing →Policy · Historical retrospective · 2013
FinCEN guidance set an early U.S. framework for virtual-currency businesses
FinCEN’s 2013 guidance discussed how existing money-services-business rules could apply to administrators, exchangers and users of virtual currency.
Read the briefing →Event or proposal year: 2013. These retrospective articles were first published Sep 28, 2026.