Clear crypto education

Cardano.

A research-driven proof-of-stake network.

Cardano is a blockchain platform for sending ADA and running applications, with an emphasis on peer-reviewed design and proof-of-stake security.

NetworkProof of Stake

Supply45 billion ADA max

Birthday / launchSeptember 2017 — Cardano mainnet launch

Origin story

September 2017 — Cardano mainnet launch

Built by: Developed by IOHK with the Cardano Foundation and EMURGO; Charles Hoskinson was a co-founder of IOHK

Cardano launched after years of research-led development. Its proof-of-stake protocol is called Ouroboros, and the network introduced smart-contract capability later through staged upgrades.

What makes it different

Its own rules, its own trade-offs.

Cardano separates owning ADA from operating a stake pool: holders can delegate stake while retaining control of their coins in their wallet.

Not the same as: a guarantee, a bank account, or a customer-service payment rail.

How a transaction becomes real

From wallet to chain.

A wallet creates and signs an ADA or contract transaction.
Nodes check the transaction against the current ledger rules.
Time is divided into epochs and slots; a stake-pool leader is selected to make a block.
Other participants validate the block, and the chain advances under Ouroboros consensus.

Supply and incentives

Why the token exists.

ADA has a stated maximum supply of 45 billion. Staking rewards come from protocol reserves and transaction fees according to the network's reward rules.

Use it safely

What can go wrong.

Delegating ADA should not require giving anyone a recovery phrase. Scam pools and fake wallet support do ask for it; do not share it. Smart contracts and bridges add separate risks.

Verify it yourself

Look at the chain.

A block explorer lets you inspect public transactions, blocks, addresses, and fees. Never paste a recovery phrase or private key into one.

Open CardanoScan ↗

OG voices & primary resources

Long-running people and sources.

These open external sites in a new tab. They are educational links only—not paid placement, partnership, or endorsement.

Open external sourceCharles Hoskinson ↗Open external sourceJeremy Wood / Input Output ↗Open external sourceFrederik Gregaard / Cardano Foundation ↗

Keep learning

Understand the basics first.

Short, plain-English guides.
No hype. No guarantees.

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