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Blockchain history

Blockchain's history The blockchain technology is what underpins cryptocurrency.

Blockchain history
źródło: Dailyhealthstudy

Blockchain's history The blockchain technology is what underpins cryptocurrency. This allows all clients in the network to reach an agreement without having to trust each other. The concept of blockchain technology was born in 1991 when W. Scott Stornetta and Stuart Haber, two study scientists, presented a computationally viable technique for time_stamping digital files so they could not be dated or altered. Merkle trees were added in 1992 to make the architecture more efficient, allowing multiple documents to be stored in one block.

The patent was not used and expired in 2004, four years prior to the creation of Bitcoin. In 2004, Hal Finney (Harold Thomas Finney I), a cryptography advocate and computer scientist, created the RPoW (Reusable Proof Of Work). This method involved taking a Hashcash_based, non-exchangeable, proof of work token and creating an RSA_signed token that could then be transferred from one person. RPoW eliminates double spending by registering token ownership onto a trusted server, which allows users around the world to verify its integrity and accuracy in real-time.

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RPoW is a key milestone in the history of cryptocurrency. Satoshi Nakamoto, an individual or group claiming to be Satoshi Nakamoto, submitted a whitepaper to a cryptography mailinglist in late 2008. It described a decentralised peer-to-peer electronic cash system called Bitcoin. Double spending security in Bitcoin was provided by a peer-to-peer protocol that monitors and validates transactions. It is based on the Hashcash Proof of Work algorithm. This protocol does not rely on a hardware trusted computing function such as the RPoW. Individual miners "mine Bitcoins" for a reward by using the proof_of_work process. This is then validated by decentralized nodes within the network.

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Bitcoin was created by Satoshi Nakamoto on January 3, 2009. He mined the first block of bitcoin. The reward for this transaction was 50 bitcoins. In the world's first bitcoin transaction, on January 12, 2009, Satoshi Nakamoto gave Hal Finney ten bitcoins. Vitalik Buterin (a programmer and co-founder of Bitcoin Magazine) stated that Bitcoin needed a programming language to create decentralised apps. Vitalik started work on Ethereum, a blockchain-based distributed computing platform that includes smart contract scripting capabilities. However, the community failed to reach consensus.

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Smart contracts can be described as Ethereum_based programs or scripts that are able to make transactions when certain criteria are met. Written in specific programming languages, smart contracts are then compiled into bytecode. This bytecode is then read by the Ethereum virtual Machine (EVM), a decentralised Turing_complete computer. Developers may also create and publish apps that run on the Ethereum Blockchain. There are hundreds of these programs, including financial exchanges and social networking sites. Ether, Ethereum's cryptocurrency can be traded between accounts to pay for computing power needed to execute smart contracts. Blockchain technology is gaining a lot of attention and is already being used in many other applications.

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dailyhealthstudy

For women's health, tips for heart, mind, and body - https://www.mpolska24.pl/blog/for-womens-health-tips-for-heart-mind-and-body



If you want to avoid problems such as strokes and heart disease, there is an easy way.


Get more fruits and vegetables.

Whole grains are better than refined ones. Brown rice is better than white. Switch to whole-wheat pasta

Consider lean proteins such as poultry, fish and beans.

Reduce your intake of processed foods, sugar, salt, saturated fat, and other unhealthy food.

Flexibility is key to eating well, according to Joyce Meng, MD assistant professor at UConn Health's Pat and Jim Calhoun Cardiology Center. You can follow a strict diet plan if you prefer. It's okay if you don't like following a strict diet plan.


Tricia Montgomery (52), founder of K9 Fit Club knows firsthand the benefits of a healthy diet and lifestyle. Her favorite things are eating healthy food and making small, frequent meals. She says, "I don’t deny myself anything." "I still enjoy dessert, key lime pie, yum!" -- I love frozen gummy bears and moderation is the key.


Get regular checkups. Your doctor will keep track of your medical history so that you can stay healthy. If you are at high risk of osteoporosis (a condition that weakens bones), your doctor may recommend more vitamin D and calcium.


You may be recommended by your doctor to have screening tests done to monitor your health and detect conditions before they become serious.


Be open to communication. Meng said, "If you have any questions, ask your doctor." "Ensure you are satisfied with the information." Talk to your doctor if you have concerns about any medication or procedure.


Reduce Stress

It can be very detrimental to your health. It is impossible to avoid it all, but there are ways you can reduce the effects. Do not take on too many responsibilities. Set limits for yourself and others. It is okay to say no.


To relieve stress, try:


Deep breathing

Meditation

Yoga

Massage

Exercise

Healthy eating

Talking to a friend or family member.

Develop healthy habits

You can prevent problems from coming your way tomorrow if you make the right decisions today.


Brush your teeth twice daily and floss each day.

Don't smoke.

Limit your alcohol. Limit your alcohol intake to 1 drink per day.

Take your medication exactly as prescribed by your doctor.

Get better sleep. Try to sleep for at least 8 hours. Talk to your doctor if you are having trouble sleeping.

Keep out of direct sunlight between 10 a.m. and 3 p.m.

Wear your seatbelt.

Meng suggests that you take time each day to invest in your own health.


Montgomery was able to see the benefits. Montgomery says that she has overcome health issues, is happy, and has a positive outlook. She says that her life has been forever transformed.

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