Polkadot (DOT): questions and answers
Every answer below is written from the sources listed at the end of this page, with the date each one was checked.
The question that decides how you read Polkadot
Polkadot asks a question most chains never pose: if a blockchain's hardest problem is convincing strangers it is safe, why should every new chain have to solve it again from scratch?
Gavin Wood's whitepaper argues that existing blockchains fuse two separate jobs. One is deciding which history is canonical — the ordering everyone accepts. The other is deciding which transactions are valid — the rules of a particular application. Bundling them means every project that wants different rules must also bootstrap its own security, its own validators and its own economics.
Separating them is the whole design. A relay chain provides canonicality and security; parachains supply their own state-transition rules and inherit the rest.
What is still unsettled
The open question is whether pooled security was worth its complexity. Rollups on other networks reached a similar goal — inheriting someone else's security — with far less ceremony, and the shift away from slot auctions toward on-demand block space is itself an admission that the original access model was too heavy. Polkadot's governance remains genuinely on-chain, which is unusual and valuable; whether that compensates for a steeper learning curve is what the ecosystem is still arguing about.
What this means when you swap DOT
DOT addresses are SS58-encoded, and mainnet addresses usually begin with `1`. The same underlying key produces a differently prefixed address on Kusama and on each parachain, which is the most common confusion: a string that looks like a valid Polkadot address may belong to another network in the family, and sending across that boundary is not automatically recoverable.
Accounts have an existential deposit — fall below it and the account is reaped, taking the remaining dust with it, so never empty a Polkadot account completely. Finality is deterministic and typically takes under a minute, fees are weight-based and modest, and no memo or tag is used unless a specific custodian asks for one.
Common DOT questions
- How do I swap Polkadot (DOT) instantly on Monivo?
- Pick DOT as the asset you want to receive, choose what you're paying with, paste your wallet address, and confirm. Monivo routes your order to the provider offering the best rate, and most swaps complete in under 10 minutes — no account needed.
- Can I swap DOT with no KYC?
- Yes. Crypto-to-crypto swaps of DOT on Monivo require no identity verification and no sign-up. Only fiat purchases (card or bank transfer) require KYC, because banks and payment processors mandate it.
- Is swapping Polkadot on Monivo non-custodial?
- Yes. Monivo never holds your funds. DOT is sent directly to the wallet address you provide, so you stay in control the whole time.
- Which network does DOT use here?
- Monivo supports Polkadot on the Polkadot network. Always double-check that your receiving wallet supports this network before confirming.
- What fees apply when I swap DOT?
- Monivo adds zero fees on top. The quote you see already reflects the best aggregated rate across connected providers, including their network and processing costs — all fees are included in the shown amount.
- Why did my small DOT balance disappear?
- Polkadot requires accounts to hold a minimum existential deposit. If a transfer drops an account below that threshold, the account is removed and the remaining dust is not recoverable. Leave a margin above the minimum rather than sending your full balance.
- Is a Kusama address the same as a Polkadot address?
- No. The same key produces different SS58-encoded addresses on each network in the family, and Polkadot mainnet addresses typically start with `1`. Always confirm the network as well as the string before sending.
- What did the 2020 DOT redenomination change for holders?
- Nothing about ownership. Each holder's proportional share stayed identical; only the unit changed, with one old DOT becoming one hundred new DOT. Historical figures quoted before August 2020 need that adjustment to be comparable.
Sources and dates (7)
- The Polkadot whitepaper separates canonicality from validity as the basis for a heterogeneous multi-chain. Polkadot whitepaper · 2016-11 · checked 2026-09-22
- Gavin Wood authored the Ethereum Yellow Paper before founding Parity and Polkadot. Ethereum Yellow Paper · 2014 · checked 2026-09-22
- DOT was redenominated one hundred to one at a scheduled block in August 2020 after an on-chain referendum. Polkadot public notice · 2020-08-21 · checked 2026-09-22
- A non-binding redenomination vote was run on Kusama before the binding Polkadot referendum. Polkadot referendum results · 2020-07 · reported, not independently confirmed · checked 2026-09-22
- IQ.wiki records Gavin Wood's publication of the Polkadot whitepaper in 2016. IQ.wiki · reported, not independently confirmed · checked 2026-09-23
- Messari describes Polkadot's Relay Chain as using nominated proof-of-stake. Messari · reported, not independently confirmed · checked 2026-09-23
- CoinGecko maintains the live DOT market page under the Polkadot asset name. CoinGecko · reported, not independently confirmed · checked 2026-09-23