Coins, Tokens & Crypto Assets
A token doesn’t own the ground it stands on.
Both are traded, both show up in a wallet, both transfer. What separates them is not the price, the name or the logo — it is whether the thing operates its own base layer. And that decides what it depends on.
The problem
Move the ground and watch what follows.
The token on the right is a smart contract on the chain on the left. Degrade the host three ways and see how many of them the token can refuse.
One host chain, one token on it
ILLUSTRATIVE MODELA coin’s own base layer: its own consensus, its own nodes, its own rules.
A smart contract on that chain. No consensus of its own, no nodes of its own.
Both sides are healthy. Press any of the three controls to change the host.
Nothing about the token itself changed just now. Its contract, its supply and its holders are exactly what they were. What changed was the ground underneath it. A token is created on an existing blockchain and uses that chain’s infrastructure, so it inherits the host’s strengths and its weaknesses. Read the middle figure again: across all three conditions, the number the token controls never moved off zero.
“A token is safe as long as its blockchain is safe.” That is a myth, and this is where it breaks. A token does inherit security from the host network — but it is additionally determined by its own smart contract. Even on a perfectly secure blockchain, a badly written token contract can carry risks the host knows nothing about. So a coin raises one question — is this chain sound? — and a token raises that one plus a second: is this contract sound? Never one in place of the other.
The definition
Three things that follow from riding someone else’s chain.
Tap each card for what sits behind it.
Hands on
Operating system, or app?
Five questions, answered twice. The questions stay put — switch sides and read what moves.
Coin
Neither column is better than the other and neither is a recommendation. They are two positions in a stack, with different things to check on each.
The bridge
Four checkpoints to carry forward.
Base, role, fees — and what dependency actually means once you say it out loud.
Coin means base layer; token means an application built on top of one. That is also why so many projects start as tokens: a smart contract is a far lower hurdle than a consensus mechanism and a node network. And because thousands of them share the same host, they follow common rules so wallets and apps can handle them all the same way. Those rules — the token standards — are the next lesson.
Check yourself
Five questions.
Answers come straight from this lesson. Submitting completes it.