Polkadot (DOT 1.37%) has gone through some wild swings since its initial coin offering in October 2017. The cryptocurrency was first priced at $0.29 and skyrocketed to an all-time high of $54.98 on Nov. 4, 2021.

But today, Polkadot trades at about $6. A $1,000 investment would have briefly grown to $189,586 before shrinking back to about $2,100. Like many other altcoins, Polkadot lost its luster as rising rates drove investors away from speculative investments.

A chainlink shape made out of digital dots and lines.

Image source: Getty Images.

So could Polkadot bounce back, set new highs, and eventually turn a fresh $1,000 investment into $1 million? Let's review its history, its appeal, and the potential catalysts that might drive its price higher over the next few years.

Why did Polkadot attract so much attention?

Polkadot initially generated a lot of buzz because its blockchain was created by Gavin Wood, one of the co-founders of Ethereum. Like Ethereum, Polkadot uses the proof-of-stake (PoS) method, which stakes tokens instead of mining them, as opposed to the proof-of-work (PoW) mining method used by Bitcoin.

The PoS method is more energy efficient than the PoW method, and its users can earn interest on their tokens by staking them (locking them up) on the blockchain for a fixed period of time. PoS blockchains can also be used to develop other tokens and decentralized apps (dApps), but the PoW method can only be used for mining.

Polkadot differentiates itself from other PoS blockchains with "parachains," a novel feature that allows multiple blockchains to work together on the same platform. Those parachains made Polkadot cross-compatible with previously incompatible blockchain networks and opened the door for developers to create more cross-chain apps.

They also enabled Polkadot to process thousands of transactions per second, which made it faster than Ethereum and many other PoS blockchains. The bulls believe that as that ecosystem expands, Polkadot's price will rise.

What's next for Polkadot?

Polkadot's ecosystem continues to expand as it gains new blockchain partners, including open source games launcher Heroic and community-driven funding platform Polimec Protocol. Its community also plans to allocate 3 million Polkadot tokens (worth about $20 million) to support more decentralized finance (DeFi) activity across its ecosystem.

The U.S. Securities and Exchange Commission (SEC) also recently cleared the way for the approvals of the first spot price Ethereum exchange-traded funds (ETFs). That change of heart suggests other PoS tokens -- like Polkadot -- might eventually get their own spot price ETFs.

Those developments might stabilize Polkadot's price, but with a market cap of about $9 billion, it's still tiny compared to other PoS tokens. Etherereum is the clear leader with a market cap of $426 billion, followed by Solana ($67 billion), Toncoin ($19 billion), and Cardano ($15 billion). So as long as interest rates stay elevated and investors remain wary of crypto, Polkadot could continue to underperform many of the bigger tokens.

Polkadot isn't as closely followed as many other larger altcoins, but it still has a lot of bullish backers. The cryptocurrency trader CryptoBullet, who has more than 120,000 followers on X (formerly Twitter), recently claimed Polkadot could rise as high as $31 during the next 12 months. Ash Crypto, another popular trader with more than 1 million followers, also said he was still holding his entire stash of 120,000 Polkadot tokens, which have a market value of more than $700,000.

So could Polkadot be a millionaire maker?

We should take those bullish estimates with a grain of salt, but Polkadot's price could certainly rise during the next year as interest rates decline and the crypto market warms up again.

But to turn a new $1,000 investment into $1 million, Polkadot's price would need to rally above $6,000 and propel its market cap to about $9 trillion. That would make it worth nearly four times as much as the entire cryptocurrency market today.

I seriously doubt that will happen in the foreseeable future. So for now, investors should maintain realistic expectations for Polkadot: It might climb higher during the next few years, but it probably won't generate millionaire-making gains.