What did SegWit mainly improve?

SegWit increased effective capacity and fixed transaction malleability.

In 2021, El Salvador made Bitcoin legal tender. This means businesses could accept BTC in payment, and the government holds it in treasury. What economic assumption does this decision rely on?

El Salvador's adoption signals trust in Bitcoin's long-term value proposition. A nation doesn't make something legal tender unless it believes the asset will maintain utility and purchasing power. This institutional confidence reflected growing confidence in Bitcoin's role as money.

Major Milestones

8 min readarticleIncludes quiz · 2 questions

Across 15+ years, Bitcoin hit many firsts—price, technology, and adoption. Here are the big highlights.

Timeline (quick hits):

•2011: Reaches $1; first exchanges gain traction.
•2013: Hits $1,000; global headlines.
•2017: SegWit upgrade; first big scaling step. Price peaks near $20k.
•2020: Third halving; institutions begin buying.
•2021: Taproot upgrade; all‑time high near $69k; El Salvador makes BTC legal tender.
•2024: Fourth halving; broader corporate and nation‑state interest.

Test Your Knowledge

This lesson includes a 2-question quiz (passing score: 75%).

Quiz functionality available in the mobile app.