Asset manager 21Shares officially launched the first US spot Polkadot exchange-traded fund on Nasdaq on March 7, under the ticker TDOT. The physically backed fund holds actual DOT tokens, giving investors regulated exposure via brokerage accounts. The listing marks crypto ETFs expanding beyond Bitcoin and Ethereum into major altcoins.
ETF Details: Physical Backing and Low Fee
TDOT tracks the price of DOT, the native token of the Polkadot network. The fund uses a physically backed structure, meaning the issuer holds DOT as the primary asset. Investors gain price exposure without managing wallets or private keys. According to Bloomberg ETF analyst Eric Balchunas, the ETF launched with approximately $11 million in seed capital and charges a management fee of 0.30%. TDOT now trades on Nasdaq and is available through select brokerage platforms.
Polkadot Tech Background and Ecosystem
Polkadot connects independent blockchains within a single interoperable environment using a relay chain. Developers deploy customized chains via the Substrate framework. Over 150 projects are building in the ecosystem. The network employs shared security across connected chains and supports parallel transaction processing. 21Shares notes that Polkadot achieved a theoretical throughput of 630,000 transactions per second during 2024 testing. Projects rent blockspace with DOT tokens, creating direct economic demand.
Major March 12 Upgrade: Scarcity Model and Staking Reforms
The Polkadot ecosystem plans a token upgrade on March 12. Key changes include capping total DOT supply at 2.1 billion tokens and immediately reducing emissions by 53.6%. The current treasury burn mechanism will be replaced by a Dynamic Allocation Pool, which collects revenue from fees, slashing penalties, and core time sales. Governance participants will allocate these funds to network initiatives. Staking rules will also shift: validators must self-stake 10,000 DOT, minimum commission rises to 10%, nominators become unslashable, and the unbonding period shortens from 28 days to 24-48 hours. These changes aim to improve economic sustainability and lower user participation barriers.