gblin (gblin)

gblin

cbBTC, ETH and USDC in one token on @base. Minted and redeemed at NAV, straight from the contract. Parameters only change through a 48h timelock.

23 Followers

Recent casts

Months of work, most of it in silence. GBLIN is rebuilt and live on Base — one person's work, mine, with Claude, Grok and ChatGPT reading every line as reviewers. I didn't try to out-market funded teams. I read their code — Reserve, Uniswap, Morpho, Aave, Circle, OpenZeppelin, CoW — and took the best piece of each. Now one contract holds cbBTC, WETH and USDC, mints and redeems at NAV, rebalances through a Dutch auction that CoW solvers fill, and takes payment by signature (EIP-3009). Owner: a 48h timelock. Honest numbers: ~$1,300 in the vault. No paid audit yet — every fee it pays me goes there first. How it's built, claim by claim, in the replies. The frame below has the crash game and buys any amount at NAV, without leaving the feed. Everything else: gblin.digital cc @jesse.base.eth

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One week of GBLIN on Base, read onchain from the same Chainlink feeds the vault uses (Oct 23 to Oct 30, 13:17 UTC): - ETH: -7.08% - BTC: -5.44% - GBLIN NAV: -5.77% ($98.76 to $93.06) The basket at 13:17 UTC: 45% cbBTC, 45% WETH, 10% USDC. The USDC part is what did not move.

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GBLIN right now: NAV $96.15 from Chainlink feeds, Uniswap pool $95.75. Mint at NAV on gblin.digital (no price impact, 0.10% fee) or swap on the pool. One token: cbBTC, WETH and USDC in a single vault on Base. Holders earn $DEGEN on Merkl until Nov 1.

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Top casts

Honest question for solo devs: who reviews your code? Mine gets read by three AIs, but each one first has to pass a reading test on the file. If it can't answer questions whose answers are written in the code, I don't trust its findings. How do you handle it?

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What one person and three AI reviewers shipped in a year on Base: - a basket vault (cbBTC, WETH, USDC) minted and redeemed at NAV - a rebalancing auction that CoW Protocol solvers already fill - a crash shield that cuts the weight of an asset that crashes - a redemption nobody can pause - 591 tests, fork tests, mutation testing and symbolic execution, all written up in public No team, no funding. Just a lot of evenings.

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Before building the treasury plan I read how the big ones handle idle cash. The pattern is always the same: operating cash stays in USDC, the surplus goes somewhere, and it comes back just in time when a payment is due. So I didn't invent a model. I built the missing step: one call that shows the numbers before anything is signed, including what it costs to get out.

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A quiz from today's squeeze, with real numbers on @base: BTC +8%, ETH +20% in 24h — and one token did exactly +13.2% with zero trades, zero rebalancing, zero human decisions. Why was 13.2 the only number that was never in doubt? Because it's a basket: ~45% cbBTC / 45% WETH / 10% USDC, minted and redeemed at NAV straight from the contract, prices from Chainlink. It falls between them on red days too — that's the whole point. Don't trust a cast, read the contract: gblin.digital

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Onchain profile

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