Cardano (ADA) vs Polkadot (DOT): comparison

Side-by-side comparison of Cardano and Polkadot: how their prices moved, how they differ technically and what each is used for.

ADA and DOT: key specs

Cardano (ADA)Polkadot (DOT)
Price$0.208908$1.06
TickerADADOT
Typenative blockchain coinnative blockchain coin
Launched20172020
Created byCharles HoskinsonGavin Wood
ConsensusProof of Stake (Ouroboros)Nominated Proof of Stake
Block time~20 sec~6 sec
Max supply45 B ADA
Transaction privacypublic transactionspublic transactions
Circulating supply37.51 B ADA1.7 B DOT
Market cap$7.84 B$1.8 B
Market cap rank#19#49

CoinGecko data as of Sep 11, 2026, 19:03. How we calculate the data

Price change: ADA vs DOT

ADADOT
Jun 14, 2026Sep 11, 2026

Both prices are set to 100 at the start of the period, so the chart shows which coin grew or fell more, not the prices themselves.

PeriodADADOT
7 days−6.42%+26.1%
30 days+10.71%+41.88%
90 days+20.56%+14.32%

The correlation of their daily price changes over the last 90 days is 0.55 (moderate).

ADA or DOT: what each is used for

  • Smart contracts and appsCardano and Polkadot

How Cardano and Polkadot work

How Cardano works

Cardano uses the Ouroboros consensus protocol, with a block about every 20 seconds, and an extended UTXO model. ADA holders can delegate to stake pools without locking their coins. The maximum supply is 45 billion ADA.

What Cardano is used for

ADA pays fees, is staked to secure the network and is used in Cardano-based DeFi and NFT applications.

How Polkadot works

Polkadot consists of a relay chain that provides shared security and many connected chains (parachains). It uses Nominated Proof of Stake with a block every 6 seconds. Staked DOT has an unbonding period before it can be transferred.

What Polkadot is used for

DOT is used for staking, for governance of the network and for securing blockspace for connected chains.

ADA vs DOT: FAQ

Which is better: Cardano or Polkadot?
It depends on the goal. Cardano: smart contracts and apps. Polkadot: smart contracts and apps. Compare the specs and price history above; this is not investment advice.
How does Cardano differ from Polkadot?
Cardano uses Proof of Stake (Ouroboros), Polkadot uses Nominated Proof of Stake. A new block appears about every 20 sec in Cardano and every 6 sec in Polkadot.
Which coin is older?
Cardano is older: it launched in 2017, Polkadot — in 2020.
Do the ADA and DOT prices move together?
The correlation of their daily price changes over the last 90 days is 0.55 (moderate).
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