Melvin Carvalho's avatar
Melvin Carvalho
_@melvincarvalho.com
npub1melv...5c24
Mathematician and Web Developer
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melvincarvalho 9 months ago
If we had someone who could act as an honest Oracle, we could make an AMM for this event on nostr using digital signatures, and on-chain commitments. People could bet on the team of their choice, and the odds would adjust according to how much is staked. At the end the contract pays out to all the bets made. However, you you need someone impartial to report the winner of the tournament. If the wrong winner is called the funds would go to the wrong place. View quoted note →
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melvincarvalho 9 months ago
Stating the obvious. Bitcoin is a financial network, not a general-purpose data store. Storing large files like images directly on-chain is inefficient and a form of spam. A better pattern is to store a small pointer on-chain (e.g., CID) and host the file off-chain ... via IPFS, torrents, Blossom, or other distributed systems. Using block space responsibly helps preserve Bitcoin's long-term utility. Storing large files directly should be discouraged. image
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melvincarvalho 9 months ago
"And since only about 18% of the hashing power seems to mine them, they had to wait 5-6x longer to confirm" Excellent point! Lower that number down from 18% and lower the spam. View quoted note →
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melvincarvalho 9 months ago
Nostr + Bitcoin: Built-in Time Boxing 1. Your npub is a BTC address. 2. Pay npub (event hash in tx) -> means NOT-BEFORE block time. 3. Spend output -> means NOT-AFTER block time. Now Events are time-boxed between two blocks. It turns out that this is all you need to solve the double-spend problem. And hence to unlock smart social contracts. image
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melvincarvalho 9 months ago
"life is not black or white, and fastening your seatbelt when driving a car is safer even though some people die in car crashes" I remain a huge fan of bitcoin core. It is one of the most successful projects in the history of open source. But it got where it is by listening to the community. Controversial PRs, should not be merged too quickly. Bitcoin benefits enormously from stability. View quoted note →
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melvincarvalho 9 months ago
During the last civil war, the “more-change” faction vowed to push ahead no matter what anyone said. UASF was a big factor, but what really stopped them was skin in the game: futures markets showed they’d lose a lot of money if they followed through. Seeing those numbers, they backed down and chose to delay. Postponing a proposal doesn’t kill it. it just gives everyone breathing room. image
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melvincarvalho 9 months ago
Agent 2 Agent (A2A) protocol implemented with agentic nostr and decentralized identity w/ did-nostr. Loving to see the new decentralized future. image