Topic
BitcoinBeginnerA spot ETF holds real bitcoin with a custodian while you own fund shares on a stock exchange. Authorized participants create and redeem shares to track NAV. Unlike self-custody, you can't send the coins or trade them 24/7.
#markets#regulation#wallets
EthereumIntermediateUniswap prices tokens from its own reserves: in a constant product pool x * y = k, so the price is the reserve ratio and every trade moves it. Arbitrage keeps pools in line with the market, while LPs bear impermanent loss.
#defi#markets#smart-contracts
PolygonBeginnerEach outcome share pays $1 in USDC if right and $0 if wrong, so its price reads as a probability. Polymarket mints shares in collateralized YES/NO pairs, matches orders off-chain, settles on Polygon, and resolves via UMA's oracle.
#markets#oracles#smart-contracts
