Crypto Basics

Foundational concepts every crypto user should know.

Brand-new to crypto, or returning after a long break? Start here. These guides cover wallets, addresses, transactions, gas, mempools, and finality — the vocabulary you need before you touch real funds.

Step-by-step illustration of an SSP wallet being set up on a phone and a browser

Setting up your first SSP wallet

Step-by-step setup guide for SSP Wallet: install the app and extension, pair two devices, generate a 2-of-2 wallet, and send your first transaction.

6 min read
Square SSP Wallet brand cover with the SSP logo and self-custody icons.

Meet SSP Wallet: Self-Custody With 2-of-2 Multisig

SSP is a self-custody wallet with 2-of-2 multisig built in. Two devices co-sign every transaction; neither can move funds alone.

6 min read