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import { Connection } from "@solana/web3.js";
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const connection = new Connection(
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  "https://solana-devnet.g.alchemy.com/v2/YOUR_ALCHEMY_API_KEY",
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  "confirmed"
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);
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const slot = await connection.getSlot();
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console.log("Current slot:", slot);

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import { Keypair } from "@solana/web3.js";
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const wallet = Keypair.generate();
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console.log("Public Key:", wallet.publicKey.toBase58());

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const balance = await connection.getBalance(wallet.publicKey);
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console.log("Balance:", balance / 1e9, "SOL");

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const info = await connection.getAccountInfo(wallet.publicKey);
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console.log(info);