- A tongue-in-cheek proposal for a “Bean-Backed Crypto Currency” (BBCC) was floated, treating dried beans as the reserve asset for an ETF-like token and sparking discussion on barter, tax treatment of non-monetary income, and storage logistics.  
- kanzure circulated a detailed technical thread on constructing a Merkle-tree proof of non-membership for Bitcoin UTXO sets, linking to his own write-up and Bram Cohen’s recent talk on Merkle sets and UTXO commitments.  
- The channel hosted an extensive, link-rich debate on SegWit2x: miners’ collusion, the mechanics of BIP-91 activation, risks of false signaling, and why many Core developers view the 2 MB hard-fork as coercive and technically unsound.  
- DIYbio activity in Berlin was mapped: contacts include Nils Hitze, Meredith Patterson, Matthias Bock, and the (possibly defunct) BioTinkering Berlin space; kanzure urged visitors to reach out to @kojote.  
- Complaints about prediction-market design and governance were posted to Hacker News, alongside critiques of biohack.me and grinder culture after a critical thread appeared on HN.  
- Transaction-fee pain points for small Bitcoin payments were discussed, with farmers and small vendors weighing BTC volatility and on-chain costs against gift-card or barter work-arounds.  
- A passing reference to a “human–dolphin interface system” was noted as a possible H+ research direction.