Bitcoin Basics

Bitcoin Newsletter
October 5, 2026

Top Bitcoin Adoption Stories (September 28 to October 4, 2026)

1. Block Launches “Bitcoin Does,” Its First Big Bitcoin Ad Campaign

On October 1, Jack Dorsey’s Block launched “Bitcoin Does,” its first major consumer advertising campaign for Bitcoin. Instead of explaining mining or monetary theory, the ads show Bitcoin doing ordinary jobs, like buying a bouquet of flowers or splitting a dinner bill, using Cash App, Square, and Block’s Bitkey self-custody wallet. The campaign is aimed at what Block calls roughly 60 million “bitcoin curious” Americans and runs across YouTube, X, Meta, Instagram, and Fox Sports TV through December 31, with theater spots at select screenings of Avengers: Doomsday and Dune 3. The tagline: “Some things don’t make sense. Bitcoin does.”

Block says Cash App has onboarded more than 24 million active users into Bitcoin since 2018.

Key Takeaway: The pitch is shifting from “Bitcoin as an investment” to “Bitcoin as money you can actually use,” backed by real payment and self-custody products.

2. Absa Becomes Africa’s First Bank to Custody Bitcoin

South Africa’s Absa Group has become the first bank on the continent to offer regulated digital-asset custody. The service went live on September 21 and was reported by Bloomberg on October 2. It serves institutional clients such as asset managers, corporates, and non-bank financial institutions, and is not a retail product yet. “Bitcoin is the predominant asset in custody,” said Rob Downes, head of digital assets at Absa’s corporate and investment bank, adding that Absa plans to extend the service to other client segments and other African countries as regulators allow.

For context, the South African Reserve Bank estimates assets held by the country’s three biggest licensed providers more than doubled to about R25.3 billion (~$1.5 billion) by the end of 2024.

Key Takeaway: When a major African bank builds Bitcoin custody, local institutions get a familiar, regulated way in, and that tends to pull more capital into Bitcoin over time.

3. IMF Releases $138M to El Salvador but Caps State Bitcoin Buying

On October 1, the IMF’s Executive Board completed two reviews of El Salvador’s $1.4 billion program and approved about $138 million. The Fund said El Salvador missed some targets, “including on the Bitcoin accumulation front,” and granted waivers. It also noted that majority control of the government’s Chivo wallet has moved to a private operator, and said: “No further Bitcoin accumulation is envisaged beyond the documented donations.”

Key Takeaway: El Salvador keeps the Bitcoin it already holds, but public money buying more is off the table under this deal. It’s a reminder that nation-state adoption runs into international lenders’ rules.

4. Spot Bitcoin ETFs Log a Third Straight Week of Inflows

After the record ~$2.39 billion week of September 21 to 25, U.S. spot Bitcoin ETFs kept adding, though at a much slower pace. Farside Investors showed a provisional $82.9 million for September 28 to October 2 before BlackRock’s Friday figure posted. Once IBIT’s Friday inflow of about $158 million was included, the week came to roughly $241 million, the third positive week in a row. IBIT took in about $450 million on its own, while Fidelity’s FBTC saw about $168 million leave. Total spot Bitcoin ETF assets stood near $108.9 billion.

Key Takeaway: Flows cooled after a huge week but stayed positive, and BlackRock’s fund keeps drawing most of the new money.

5. What Beginners Should Notice

This week’s stories point at three different doors into Bitcoin: everyday spending (Block), bank custody for institutions (Absa), and investment funds (ETFs). Meanwhile, El Salvador shows that government buying can be limited by outside agreements, even when a country is enthusiastic.

Education still matters most. A new Cornell University survey of nearly 26,000 people in 25 countries found that 58% of respondents didn’t know only 21 million bitcoin will ever exist. That fixed supply is the first thing worth understanding, whichever door you walk through.

Key Takeaway: Learn the basics (fixed supply, keys, custody), then pick the way of holding Bitcoin that fits you.

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Sources

• Bitcoin Magazine: Block launches campaign to get people spending Bitcoin (Oct 1, 2026)
• NewsBTC: Block takes Bitcoin mainstream with first major consumer ad campaign (Oct 2, 2026)
• Moneyweb (Bloomberg): Absa becomes first African bank to offer digital-asset custody (Oct 2, 2026)
• ITWeb Africa: Absa sets digital asset custody milestone
• IMF press release: Executive Board concludes second and third reviews for El Salvador (Oct 1, 2026)
• Cointelegraph: El Salvador receives $138 million from IMF after Bitcoin waivers granted (Oct 4, 2026)
• Farside Investors: Bitcoin ETF flow table (week ending Oct 2, 2026)
• Crypto Briefing: Spot Bitcoin ETFs see $241M in net inflows for third straight week (Oct 5, 2026)
• FinanceFeeds: Bitcoin ETF flows on October 2, including IBIT
• Bitcoin Magazine: When the banks don’t work, Bitcoin does (Cornell Bitcoin Adoption Index) (Oct 2, 2026)

This post is for educational purposes only and is not financial advice. Bitcoin only, no altcoin coverage.

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