Two DeFi discussions from September 15, 2026: Protocol v27 upgrade for Pi Network moving to mainnet with speculation on price impact; and a cautionary review of Fei Protocol's catastrophic launch where a $1.3 billion raise collapsed within hours due to stablecoin depeg and anti-sell mechanisms, with TRIBE governance token losing 99.8% of value.
A DeFi discussion thread from September 2026 covers yield farming opportunities on Ethereum, privacy-focused Bitcoin bridging via Starknet's strkBTC, and a retrospective on Fei Protocol's failed $1.3 billion launch that collapsed within hours due to peg failure and governance token losses.