Since cryptocurrencies are decentralized and not under the control of financial institutions, they need a way to lớn verify transactions. One method many cryptos use is proof of stake (PoS).

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Proof of stake is a type of consensus mechanism used to lớn validate cryptocurrency transactions. With this system, owners of the cryptocurrency can stake their coins, which gives them the right to lớn kiểm tra new blocks of transactions & add them to lớn the blockchain.

This method is an alternative khổng lồ proof of work, the first consensus mechanism developed for cryptocurrencies. Since proof of stake is much more energy-efficient, it has gotten more popular as attention has turned to lớn how crypkhổng lồ mining affects the planet.

Understanding proof of stake is important for those investing in cryptocurrency. Here"s a guide khổng lồ how it works, its pros và cons, & examples of cryptocurrencies that use it.

How does proof of stake work?

The proof-of-stake Mã Sản Phẩm allows owners of a cryptocurrency lớn stake coins và create their own validator nodes. Staking is when you pledge your coins to be used for verifying transactions. Your coins are locked up while you stake them, but you can unstake them if you want to trade them.

When a bloông chồng of transactions is ready to lớn be processed, the cryptocurrency"s proof-of-stake protocol will choose a validator node to reviews the bloông xã. The validator checks if the transactions in the bloông chồng are accurate. If so, they add the block to lớn the blockchain & receive sầu crypto rewards for their contribution. However, if a validator proposes adding a bloông xã with inaccurate information, they lose some of their staked holdings as a penalty.

As an example, let"s look at how this works with Cardano (CRYPTO:ADA), a major cryptocurrency that uses proof of stake.

Anyone who owns Cardano can stake it và set up their own validator node. When Cardano needs to verify blocks of transactions, its Ouroboros protocol selects a validator. The validator checks the blochồng, adds it, và receives more Cardano for their trouble.

Mining power in proof of stake

Mining power in proof of stake depends on the amount of coins a validator is staking. Participants who stake more coins are more likely lớn be chosen to lớn add new blocks.

Each proof-of-stake protocol works differently in how it chooses validators. There"s usually an element of randomization involved, and the selection process can also depover on other factors such as how long validators have been staking their coins.

Although anyone staking cryplớn could be chosen as a validator, the odds are very low if you"re staking a comparatively small amount. If your coins trang điểm 0.001% of the total amount that has been staked, then your likelihood of being chosen as a validator would be about 0.001%.

That"s why most participants join staking pools. The staking pool"s owner sets up the validator node, và a group of people pool their coins together for a better chance of winning new blocks. Rewards are split among mỏi the pool"s participants. The pool owner may also take a small fee.

Proof of stake vs. proof of work

Proof of stake and proof of work are the two most common types of consensus mechanisms cryptocurrencies use. Proof of work was the method of choice for early cryptocurrencies, including Bitcoin (CRYPTO:BTC), while proof of stake originated in 2012 with Peercoin (CRYPTO:PPC) and has become a comtháng choice for altcoins.

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The biggest difference between proof of stake and proof of work is their energy usage. Proof of work requires miners to compete khổng lồ solve complex mathematical problems. The first miner khổng lồ solve the problem gets to lớn add a bloông xã of transactions & earn rewards. This results in mining devices around the world computing the same problems và using substantial energy.

Since proof of stake doesn"t require validators lớn all solve complex equations, it"s a much more eco-friendly way to lớn verify transactions.


Proof of stake is more eco-friendly than proof of work because it requires much less energy lớn verify transactions.




Not as proven in terms of security as proof of work.

Provides fast và inexpensive sầu transaction processing.

Validators with large holdings can have sầu excessive influence on transaction verification.

Doesn"t require special equipment to participate.

Some proof-of-stake cryptocurrencies require locking up staked coins for a minimum amount of time.

Chart by author.

Proof-of-stake coins list

Here are examples of major cryptocurrencies that use proof of stake:

Cardano is a research-driven blockchain platkhung that prioritizes security và sustainability.

Because of how it works, proof of stake benefits both the cryptocurrencies that use it & their investors. Cryptocurrencies that use proof of stake are able to lớn process transactions quickly và at a low cost, which is key for scalability. Investors can stake their crypto to lớn earn rewards, providing a khung of passive sầu income. And the fact that proof of stake is environmentally friendly means it will likely continue khổng lồ grow more popular as a consensus mechanism.

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Lyle Daly owns shares of Bitcoin và Cardano. The Motley owns shares of & recommends Bitcoin. The Motley has a disclosure policy.


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