Bitcoin to Get Smart Contracts

2019-8-8 18:19

MuSig, Taproot, Threshold Signatures and even scriptless scripts are some of the developments that might come soon-ish to bitcoin, all connected to signatures and getting them to do things or. . .

The post Bitcoin to Get Smart Contracts appeared first on Trustnodes.

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Источник: trustnodes.com

bitcoin signatures → Результатов: 68

Privacy and Scaling: Schnorr Signatures Are Coming to Bitcoin Cash

On Tuesday, Jan. 29, Bitcoin Cash developer Mark Lundeberg revealed two planned features for the scheduled May 2019 BCH upgrade. In the gist published to Github, Lundeberg described a specific improvement that’s been discussed by cryptocurrency developers for years — implementing Schnorr signatures in place of ECDSA signatures.

2019-1-30 20:30	Upgrade
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Graftroot: How Delegating Signatures Allows for Near-Infinite Spending Variations

This article is a direct follow-up from our Taproot explainer. If you haven’t read that article, you should probably do so first. If Taproot is deployed on Bitcoin, many smart contract constructions will look just like regular transactions on the blockchain.

2019-1-26 01:23	Technical
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Taproot Is Coming: What It Is, and How It Will Benefit Bitcoin

Bitcoin users may, before long, be able to benefit from a trick called “Taproot. ” First proposed by Bitcoin Core contributor and former Blockstream CTO Gregory Maxwell, Taproot would expand on Bitcoin’s smart contract flexibility, while offering more privacy in doing so.

2019-1-25 01:19	Technical
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Ripple Issues a Statement on “Biased Nonce Sense” Paper

A new research paper by Joachim Breitner and Nadia Heninger about the repeated use of insufficiently random ‘nonces’ (‘k’ values) in ECDSA digital signatures has caught the attention of Ripple.

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Educating the Next Wave of Bitcoin Developers

Bitcoin is an open-source protocol that anybody can interact with. It is getting attention and attracting participation in different ways, whether it is through speculation, investing and sending money, all the way to contributing to what’s underneath the hood.

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Researchers Find Vulnerability for Bitcoin, Ethereum, and Ripple Digital Signatures in Faulty Implementations

Researchers recently identified vulnerabilities in cryptographic signatures for Bitcoin, Ethereum, and Ripple, that allowed attackers to calculate private keys and, consequently, steal any crypto in that wallet.

2019-1-12 22:11
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Bitcoin 0Day Discovers Only $54 Worth of Bitcoin, $14 XRP and 0.00002 ETH Are Vulnerable

Crypto researchers have discovered what they claim is a previously unknown vulnerability in digital signatures which happens to affect only $54 worth of bitcoin out of its circa $70 billion... The post Bitcoin 0Day Discovers Only $54 Worth of Bitcoin, $14 XRP and 0.00002 ETH Are Vulnerable appeared first on Trustnodes.

2019-1-10 14:35	ripple
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TRD COIN ICO

INTRODUCTION We want to build an exchange website known as Bittrader where many coins will be listed and the main pair will be the TRD Coin. Similar to Binance, some of the notable features of Bittrader include strong security, privacy, and untraceable features.

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Ascertaining Identity in the Digital World Using Schnorr Signatures

Since humans were able to put his words into a written form, cultures have needed a way to ascertain the origin of documents. Once it became possible to communicate on paper, without the need to physically be in the same location, the necessity arose to verify that the words inscribed on the paper came from the rightful originator.

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Best hardware wallets for Bitcoin (BTC)

Bitcoin hardware wallets are a tamper-proof electronic device designed to store private keys of your coins in an offline setting. The private keys and digital signatures needed to spend bitcoins are generated via these wallets.

2018-12-6 09:00	TREZOR
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Bitcoin’s Tech Trends of 2018: What This Year Brought Us (Part 1)

Where 2017’s dizzying price highs embedded “hodl” into the public consciousness, 2018 was the year that “buidl" became a trend in the crypto-industry — and Bitcoin was no exception.

2018-12-5 23:23	Technical
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Petition to Free Ross Ulbricht Gathers 100,000 Signatures

Over the last few months, a petition aimed at freeing Ross Ulbricht from prison has garnered 100,000 signatures. The request addressed to U. S. president Donald Trump and hosted on Change. org explains that Ulbricht deserves clemency because his investigation, trial, and sentencing were rife with abuse.

2018-11-27 01:32
ulbricht petition 100 signatures ross free gathers

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Just the Facts: An Unembellished Examination of Ross Ulbricht's Arrest

The Let’s Talk Bitcoin Network hosts several podcasts for regular discussion topics in the world of blockchain and cryptocurrency, including the popular weekly show What Bitcoin Did.

2018-11-20 22:58
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Amazon Bags Patents Related to Cryptography and DLT Data Storage

According to the U. S. Patent and Trademark Office, the Jeff Bezos-led Amazon has won two patents related to cryptography and leveraging the DLT storage functionality. The two patents were published online, November 13, 2018.

2018-11-15 18:00	патент
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Monero Transaction Fees Reduced by 97% After Bulletproofs Upgrade

After the recent hard fork upgrade of its protocol, Monero has seen its transaction fees shrink by approximately 97 percent, dropping from 60 cents to just 2 cents.

2018-10-23 22:09	Privacy & security
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Why 100k Could Be The Limit For Bitcoin?

Earlier this week an article was published which discussed how Bitcoins valuation could be set to 100k at most. As we know, the upper limit for BTC is currently set at $20k, an all time high that has not yet been matched since the cryptocurrency boom of late 2017.

2018-10-11 23:00	Bitcoin
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Ripple Supporters Create a Change.Org Petition to Make XRP the Official Crypto for Tokyo Olympics

No matter who tops the medal tally at the 2020 Tokyo Olympics, cryptocurrencies could emerge as the real winner. Supporters of Ripple are now pushing for XRP to become the official cryptocurrency for the sporting event.

2018-10-9 17:39	ripple
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Novice, Intermediate or Expert? A Quiz to Test Your Bitcoin Knowledge

Think you know the ins-and-outs of bitcoin? Test yourself with 30 questions that grill you on Bitcoin’s history, technology and politics. The 30 questions are split up into three segments ranging from novice to intermediate to expert, and cover a wide range of topics across the Bitcoin landscape.

2018-9-26 02:13	Op-ed
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eCash Founder David Chaum Makes Bold Promises with Elixxir Blockchain

Over 30 years after creating eCash, a predecessor of bitcoin and other cryptocurrencies which spawned the Cypherpunk movement of the 1980s, Dr. David Chaum is back in the public eye with a claim of having invented “the world’s fastest cryptocurrency.

2018-9-22 23:59	blockchain
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Battle of the Privacycoins: Why Monero Is Hard to Beat (and Hard to Scale)

Based on blockchain technology, most cryptocurrencies have an open and public ledger. While this is required for these systems to work, it comes with a significant downside: Privacy is often quite limited.

2018-9-15 20:21	Privacy & security
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Silk Road Questions Unanswered as Ulbricht Gathers 60K Clemency Signatures

Ross Ulbricht was sentenced to life in prison back in 2015 for operating the Silk Road marketplace but many people believe he should be set free. The Ulbricht family, aided by his new Twitter account @RealRossU, has managed to gather close to 60,000 signatures in a petition for his clemency.

2018-8-14 00:50
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Schnorr Signatures: What, When & Why?

The last few months have seemingly been particularly fruitful when it comes to development activity surrounding second-layer Bitcoin technologies, with recent news pointing towards great progress for both the Liquid and Lightning networks.

2018-8-14 23:02
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Blockchain Data Now Has Legal Bearing in the State of Ohio

Governor John Kasich from the Midwestern state of Ohio signed a bill this week that formally recognizes data recorded on a blockchain and electronic signatures as having legal bearing in a court of law.

2018-8-9 18:25
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How Does BitCoin Promise Progress? Schnorr Signatures.

These are standardized, but have a number of downsides compared to Schnorr signatures over the same curve: Security proof: The security of Schnorr signatures is easily provable in the random oracle model assuming the elliptic curve discrete logarithm problem (ECDLP) is hard.

2018-7-29 18:45
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Lyn Ulbricht and the Effort to Free Ross: Looking at "the End of the Road”

The darknet site founded by Ross Ulbricht, Silk Road, has been offline for years now. But the legal questions behind his conviction and subsequent sentencing to life in prison without the possibility of parole in 2015, remain fresh, raw and real to Ulbricht’s advocates.

2018-7-28 23:38
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Chaincode Devs, Google Alumni Create Industry Group to Help Bitcoin Scale

Scaling has been a heated topic for the bitcoin community for some time. Further, even when a technology does become available, getting people to use it becomes the next big hurdle.

2018-7-20 17:33	Adoption & community
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Bitcoin set to roll out Schnorr, its biggest upgrade to date

Bitcoin is making progress on a tech upgrade that will improve its speed, scalability and privacy. Schnorr will clear up space on the blockchain by containing signatures. The result expected is relief for transaction backlog and the high fees that go along with it.

2018-7-17 23:37
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Bitcoin [BTC]’s new Improvement Proposal: What exactly are Schnorr signatures?

Signatures are one of the cornerstones of the Bitcoin [BTC] blockchain. They are what allow for the solution to the problem of double spending on the blockchain, albeit in an indirect way. Signatures on the blockchain are what allow transactions to be verified.

2018-7-9 14:15	News
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Schnorr Signatures Bring New Proposal for Bitcoin (BTC) Enhancement

Schnorr Signatures Bring New Proposal for Bitcoin Enhancement Blockchain signatures allow you to verify transactions. Once a user creates a hash of its transaction data, the hash for that transaction can be signed by the user's private key.

2018-7-9 05:45	News
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Segregated Witness Removes One of Bitcoin’s Data Integrity Checks

The following opinion piece on Segregated Witness was written by Jonald Fyookball In 2017, Dr. Peter Rizun noted that Segregated Witness (Segwit) changes the very definition of a Bitcoin as per the whitepaper: “We define an electronic coin as a chain of digital signatures.

2018-7-2 02:20	transactions
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Cardano Sees Massive Growth in Smart Contracts as ADA Bulls Target Triumph Over Ethereum

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Stellar Starts Phased Rollout of 'Soroban' Smart Contracts

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Why the service industry needs blockchain, explained

The service industry needs blockchain for enhanced security, transparency and efficiency in managing transactions, contracts and customer data.

European Parliament approves controversial Data Act, which may require kill switches on smart contracts

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2019-8-8 18:19

bitcoin signatures → Результатов: 68

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