Build on cryptography that doesn’t expire.

// 1 · a wallet, generated locally — keys never leave the browser import { onchain } from "soq-lightning-sdk"; let publicKey, secretKey; do ({ publicKey, secretKey } = onchain.mlDsaKeygen()); while (publicKey[0] === 0xff); // the node rejects the 0xFF key marker const address = onchain.deriveAddress(publicKey, "sq"); // 2 · build + sign (ML-DSA-44), all client-side const { rawTxHex, txid } = onchain.buildSignedSend({ hrp: "sq", utxos, recipientAddress, amount, changeAddress: address, senderPubkey: publicKey, senderSecret: secretKey, feeRate, }); // 3 · broadcast through your own node // soqucoin-cli sendrawtransaction <rawTxHex> // → the node accepts it. quantum-safe, on mainnet.