Rabbit Hole Recap: Bitcoin Week of 2021.09.06
9/9/2021 · 121 min · transcript via mlx
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Key topics
— El Salvador made Bitcoin legal tender on September 7th, forcing merchants to accept it and providing $30 to citizens via the Chivo wallet, raising questions about implementation quality and privacy safeguards alongside geopolitical significance.
— Technical rollout issues included lightning invoices displaying users' full legal names, a $30 airdrop trapped in the Chivo wallet requiring multiple internal transactions before external withdrawal, and high failed Lightning transactions on BitRefill.
— Bull Bitcoin integrated LNURL withdrawal on Lightning with on-chain fallback, enabling non-custodial Lightning payouts without becoming unwitting custodians—an open-source solution other exchanges can adopt.
— Sparrow Wallet added Whirlpool support on testnet, allowing desktop users to access privacy coin joins while generating sustainable revenue for the project through coordinator fees.
— IRS conducted an undercover operation on LocalCryptos P2P exchange using the handle "Mr. Coins," tricking a suspected dark web drug dealer into sending $180,000 in cash for cryptocurrency.
— MasterCard acquired Cypher Trace, a chain analysis firm, to strengthen surveillance capabilities as traditional finance moves into crypto compliance infrastructure.
Market & price signals
— Bitcoin price at $46,540; 2,149 sats per dollar. Block height 699,802 (198 blocks from 700,000). Difficulty adjustment of 4.5% upward since last episode; next retarget estimated at 2.2% downward adjustment. Mempool: 15,693 transactions; Whirlpool unspent capacity at $3,979.76 (down week-on-week). Flash crash occurred during El Salvador launch; Bukele bought the dip while accusing the IMF of market manipulation.
Actionable insights
— When introducing others to Bitcoin self-custody, emphasize extreme ownership and personal responsibility; losses driven home through mistakes become lessons that stick, but prioritize educating users before they experience them.
— Use privacy-preserving coin join services like Whirlpool via Sparrow Wallet (desktop) or Samourai (mobile) to maintain transaction privacy in an increasingly surveilled financial landscape, particularly if El Salvador's model spreads to other nations.
— Verify PGP signatures and consider building Bitcoin software from source rather than using precompiled binaries; reproducible builds add defense-in-depth against supply-chain attacks from both malicious actors and surveillance infrastructure.
Episode sponsorships
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