The Language of the New Financial System

One of the biggest hurdles in crypto is the vocabulary. Unique from finance, unique from tech, crypto lingo is a different language. Below are 27 core terms organized into four clusters to help the system make more sense. Use this as a guide you can return to anytime.

1. The Words About Money

These explain how value is created, diluted, or protected.

  • Fiat: Government-issued money whose value comes from authority.

  • Inflation: Prices rising because more money is created than goods and services.

  • Debasement: Reducing a currency’s value by adding more of it to circulation.

  • Scarcity: A supply that cannot be easily expanded.

  • Store of value: An asset meant to hold purchasing power over time.

Why this cluster matters:

These words help explain the pressures inside the old system — and why alternatives emerged.

2. The Words About Control

These explain who actually owns the money — you or someone else.

  • Custody: Who controls your assets.

  • Self-custody: You hold the keys and control your own value.

  • Private key: The cryptographic code that lets you move your assets.

  • Seed phrase: A set of words that lets you recover your keys if you lose them.

  • Wallet: The tool that stores your keys and lets you interact with the network.

  • Cold storage: Keys kept offline for maximum security.

Why this cluster matters:

These terms define the line between access and ownership.

3. The Words About How the System Runs

These explain the technology that keeps the network operating.

  • Blockchain: Shared ledger where transactions are recorded openly.

  • Transaction: A movement of value added to the ledger.

  • Consensus: How the network agrees on the state of the ledger.

  • Proof of Work (PoW): A security method that uses computing power — Bitcoin’s approach.

  • Proof of Stake (PoS): A security method where participants lock up assets to validate the network — Ethereum’s approach.

  • Proof of History (PoH): A cryptographic clock that orders transactions — Solana’s approach.

  • Finality: The moment a transaction becomes permanent.

Why this cluster matters:

These terms help you understand how a decentralized system can run without a central authority.

4. The Words About the Ecosystem

These explain what people build on top of blockchains.

  • Smart contract: Code that runs agreements automatically.

  • Layer 1: A base blockchain like Bitcoin, Ethereum, or Solana.

  • Layer 2: Networks built on top of Layer 1 to increase speed or lower costs.

  • Token: A digital unit that represents value, access, or ownership.

  • Stablecoin: A token designed to maintain a steady price.

  • Exchange: A place to buy, sell, or trade digital assets.

  • Gas / Network fees: The cost of using a blockchain.

  • DeFi (Decentralized Finance): Financial tools and markets built with smart contracts instead of banks.

  • On-chain: Activity recorded directly on the blockchain.

  • Off-chain: Activity that happens outside the blockchain before being settled.

Why this cluster matters:

These terms show the expanding world being built on open financial rails.

Try this week

  • Pick three words from the list and drop them into a conversation.

    See which ones feel natural when you say them out loud.

  • Use a few of the terms in simple sentences, just for yourself.

    It’s one of the easiest ways to lock in what they mean.

  • Describe the difference between the three “proofs” — work, stake, and history — in your own words.

    You don’t need to be exact. The goal is to see what clicks.

Email me and let me know how it goes.

💌 She Holds the Keys is a woman-centered perspective on crypto and the new rules of money. If you find it helpful, please share it with a friend.