Someone moved 107 Bitcoin — nearly $8 million — out of ten-year-old, Mt. Gox-era addresses and torched it in a single burst of transactions on Monday. No note, no explanation. Brandon and Kate run the theories, then work through a packed week of treasury moves, Kraken's "native Bitcoin" yield product, and Stacks finally winning over Bitcoin Magazine.

In this episode of Good For Bitcoin, Brandon and Kate discuss:

• Quick recap of Wednesday's Hermetica episode: the hBTC cap went from 50 → 75 BTC and filled in under 24 hours — again. Go watch it if you missed it.
• Treasury watch: Strive adds 1,109 BTC to reach 16,500 BTC, edging past Coinbase's holdings by 8 BTC; DDC Enterprise adds 131 BTC for 2,714 total.
• Strategy buys back $1.5B of its 2029 convertible bonds at ~92 cents on the dollar — trimming total debt from $8.2B to $6.7B, with $871M still reserved to fund STRC payments.
• 🔥 The mystery: someone emptied five reused, Mt. Gox-era addresses (originally funded with 136 BTC back in April 2014) and sent ~107 BTC — almost $8M — to a provably-unspendable burn address, all in the same minute. Theories range from tax-loss harvesting to a vow of poverty to an AI agent gone rogue.
• A New York case tries to claw back Bitcoin losses on state grounds — Brandon and Kate think it gets tossed, since Bitcoin isn't a New York-only network.
• Kraken launches "Bitcoin Vaults," marketed as Bitcoin in, Bitcoin out — but under the hood it's KBTC wrapped onto the Ink network, routed through Veda vaults and Aave/Morpho strategies managed by Santora. It's CeFi yield; just be honest about the trust assumptions.
• Stacks lands its biggest validation yet: UTXO Management — David Bailey's asset arm, now folded into Nakamoto, parent of Bitcoin Magazine and the Bitcoin Conference — becomes the inaugural participant in stacking on Stacks. Notable given Bitcoin Magazine once made Stacks ineligible for coverage over the STX token.
• Quick hits: Coinbase brings back direct deposit so you can get paid in Bitcoin; SoFi becomes the first US national bank to launch its own stablecoin (SoFi USD); Cash App wires stablecoins into existing balances, so your balance can send and receive USDC across Solana, Ethereum, Polygon, and Arbitrum.
• Follow the show's new handle on X — @goodforbtc — and find everything at goodforbitcoin.com.

Hosts:

• Brandon Marshall — @marshallmixing
• Kate Parkman — @katemparkman

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