Latest financial technology news, fintech news, fin tech news, retail banking news, wholesale banking news, blogs opinion, analysis, jobs, videos. CLIs, SDKs, APIs, and more. Rainbow Bridge. Bridge to Ethereum · Explorer ↗. See blockchain transactions Join the Accelerator. Open Web Collective. Just ask the record 19 billionaires—7 more than last year—on Forbes' annual World's Billionaires list, published Tuesday, who made their money. LAST 100 BLOCKS WONT SYNC ETHEREUM
Task 2 focuses on the weighted average lifespan WAL on the date, defined as the average lifespan the difference between the time when the output was spent and the time when the output was created weighted by the number of BTCs contained in the transaction outputs.
WAL can be computed from the death cohort data by the formula:. In Task 4, we apply a more complicated partitioning method to compute the age distribution for each specific date. Thus, we cannot simply interpret this information as either birth or death cohort data. Instead, we must first query the data needed to compute the age distribution for a twelve-month or six-month period depending on the size of the data in each year and then split the queried data into daily cohorts in the Python program.
The result of our analysis is condensed into time-series data that include the number of BTCs in UTXOs created and spent, the weighted average lifespan, the lifespan distribution, and the age distribution on each date from to Many visualizations can potentially be generated from this informative time series. Our method can be adapted to the creation of future blocks. The time-series data for the past dates are not subject to changes as new blocks are created.
As time goes on, we need only query and process the latest data cohorts to extend the time series. We will update the visualizations according to the latest development of Bitcoin, and researchers may easily repeat our work in part or in whole based on their needs. The final data records are stored and published on the Harvard Dataverse In addition to examining Bitcoin, we apply the same cohort analysis to five other cryptocurrencies and generate twelve datasets in total.
Detailed information on these data files is presented in Appendix. We also provide supplementary figures in Appendix. To further verify the validity of our methods, we use our data to calculate other variables, including block reward and circulating supply of BTCs, and check whether the results are consistent with descriptions in the Bitcoin white paper 1 and external data sources.
Figure 5 visualizes the block rewards and the circulating supply. Block rewards are the BTC awarded to the miner who wins the right to record a block of transactions by proof-of-work. The block reward halves every , blocks, roughly every four years, until the total BTC supply reaches 21 million 1.
As of the time of writing, the daily block reward amounts to approximately , and the circulating BTC supply is Block reward and circulating BTC supply. The figure shows that the block reward net BTC supply roughly corresponds to the halving pattern written in the Bitcoin white paper. It also shows that the circulating supply we compute with our UTXO data coincides exactly with the circulating supply from Coinmetrics.
As shown in Fig. Hence, the validity of our data is verified. Our data can inspire research in finance, computer science, and macroeconomics. Our data can produce new technical indicators for financial studies to predict cryptocurrency bubbles 21 , 22 , measure cryptocurrency volatility and systematic risk 23 , 24 , design investment strategies 25 , 26 , 27 and implement portfolio managements 28 , For instance, Liu and Zhang 17 used our data to design automated trading strategies for BTC investment that outperform conventional approaches.
Wang et al. Our data can also contribute to event studies that evaluate the effect of macro policies on BTC transactions In this section, we identify the limitations of our current results and directions for future research. First, although the frequency of our data is on a daily level, our cohort analysis can produce data with higher frequencies. Table 1 shows several other cryptocurrencies to which our methodology can be easily applied.
Owners do not transact these dust UTXOs for cost-benefit reasons. In neither case is age accumulation a sign that BTC acts as a store of value. However, scientific methods to identify the two types of UTXOs have yet to be found. Third, the cohort analysis we designed and implemented was for UTXO-based blockchains. However, account-based blockchains, such as Ethereum, Polkadot, and Dfinity, adopt a different accounting method.
In the UTXO model, crypto tokens are akin to banknotes issued by central banks; in the account model, crypto tokens are akin to balances in commercial bank accounts. Future research could extend the cohort analysis for account-based blockchains. Moreover, Ethereum, a Turing-complete blockchain, has two types of accounts: externally owned accounts EOA and contract accounts, which can be analogized to private and corporate accounts in commercial banks.
A comparative study of the two accounts by cohort analysis could be an exciting direction for future research. Nakamoto, S. Bitcoin: A peer-to-peer electronic cash system. Decentralized Bus. Bitcoin: Economics, technology, and governance. Article Google Scholar. Halaburda, H. Blockchain revolution without the blockchain? Subacchi, P. From gold to bitcoin and beyond.
Ornes, S. Core concept: Blockchain offers applications well beyond bitcoin but faces its own limitations. Townsend, R. Harvey, C. John Wiley, Delgado-Segura, S. Analysis of the bitcoin utxo set. Financial Cryptogr. Data Secur. Urquhart, A. The inefficiency of bitcoin. Chakravarty, M. The extended utxo model. Another coin bites the dust: an analysis of dust in utxo-based cryptocurrencies.
Royal Soc. Open Sci. Glenn, N. Cohort analysis Sage Publications, Mason, K. Some methodological issues in cohort analysis of archival data. Breslow, N. Multiplicative models and cohort analysis. Jiang, D. Cohort query processing. VLDB Endow. Omidvar-Tehrani, B. Cohort representation and exploration. IEEE 5th Int. Liu, Y. Cryptocurrency valuation: An explainable ai approach. SSRN Electron. Day, A.
Shu, M. Real-time prediction of bitcoin bubble crashes. A: Stat. Li, T. Sentiment-based prediction of alternative cryptocurrency price fluctuations using gradient boosting tree model. Giudici, P. Vector error correction models to measure connectedness of bitcoin exchange markets. Libra or librae? Finance Res. Pagnottoni, P. Neural network models for bitcoin option pricing. Karalevicius, V. Using sentiment analysis to predict interday bitcoin price movements. The J.
Resta, M. Daniel, K. The cross-section of risk and returns. The Rev. Financial Stud. Griffin, J. Is bitcoin really untethered? Croman, K. On scaling decentralized blockchains. Gervais, A. On the security and performance of proof of work blockchains.
Pagnotta, E. Decentralizing money: Bitcoin prices and blockchain security. Wang, X. The major cause for growth in the s was the implementation of complex integrated enterprise resource planning ERP systems for multi-national companies. PwC came under increasing pressure to avoid conflicts of interest by not providing some consulting services, particularly financial systems design and implementation, to its audit clients.
Since it audited a large proportion of the world's largest companies, this was beginning to limit its consulting market. These conflicts increased as additional services including outsourcing of IT and back-office operations were developed. The fallout from the Enron , Worldcom and other financial auditing scandals led to the passage of the Sarbanes—Oxley Act , severely limiting interaction between management consulting and auditing assurance services.
PwC announced in May that its consulting activities would be spun off as an independent entity and hired an outside CEO to run the global firm. An outside consultancy , Wolff Olins , was hired to create a brand image for the new entity, called "Monday". PwC began rebuilding its consulting practice with acquisitions such as Paragon Consulting Group and the commercial services business of BearingPoint in PwC will be a preferred implementation and strategic partner of InvestCloud focused on enterprise delivery and innovative development of new financial app capabilities.
In November , PwC accepted bitcoin as payment for advisory services, the first time the company, or any of the Big Four accounting firms, accepted virtual currency as payment. PwC is co-ordinated by a private company limited by guarantee under English law , called PricewaterhouseCoopers International Limited. PwC is organized into the following three service lines the revenue shares are listed in parentheses : .
Due to its size, PwC is able to contribute data analysis to a wide range of areas. PwC has partners in approximately offices across countries with , employees. Midrand , Johannesburg , South Africa. Freshwater Place , Melbourne, Australia. Kasumigaseki Building , Tokyo, Japan. The following are the several logos the company has used through the years.
It was designed by Wolff Olins. Employees at PwC generally have flexibility in choosing their own working hours provided that senior management deems the arrangement acceptable. PwC developed a ColourBrave Charity Committee , made up of employees from across the organisation, as part of its commitment to continue to build an inclusive culture and address racial disparity.
In , Google announced its partnership with PwC to drive cloud adoption among businesses. PwC partners with the United Nations to help keep the international organization's monitoring systems up to date. In , PwC joined with Microsoft in India to bring the services of both companies to the business community in India. In , the company, in partnership with Coursera , launched an on-line five-course educational platform called "Data Analysis and Presentation Skills.
As of 30 June , PwC had , employees around the world. The following shows the number of employees in each region of the world as of FY The following shows the number of employees by practice areas. The following shows the number of employees by level. They were one of only four professional services companies to do so.
PwC ranked No. In , the United States Supreme Court held that Price Waterhouse must prove by a preponderance of the evidence that the decision regarding Ann Hopkins 's employment would have been the same if sex discrimination had not occurred. The accounting firm failed to prove that the same decision to postpone Hopkins's promotion to the partnership would have still been made in the absence of sex discrimination, and therefore, the employment decision constituted sex discrimination under Title VII of the Civil Rights Act of The significance of the Supreme Court's ruling was twofold.
First, it established that gender stereotyping is actionable as sex discrimination. Second, it established the mixed-motive framework as an evidentiary framework for proving discrimination under a disparate treatment theory even when lawful reasons for the adverse employment action are also present.
She eventually resigned and sued the company for occupational sexism , arguing that her lack of promotion came after pressure to walk, talk, dress, and act more "femininely. In , a Federal district judge in Washington ordered the firm to make Hopkins a partner.
It was the first time in which a court awarded partnership in a professional company as a remedy for sexual or race-based discrimination. Following the suit, the firm received media attention due to its discriminatory labor practices towards males as well. Although incidents of such labor marginalization take place rarely, there were several cases of unfair work treatment. AIG on 30 March said that deals with a Barbados -based insurance company, for instance, may have been incorrectly accounted for over the past 14 years, because an AIG-affiliated company may have been secretly covering that insurer's losses.
That's Accounting in any reinsurance transaction. PwC was also criticised by several witnesses during the Financial Crisis Inquiry Commission investigation into AIG's collapse in the financial crisis of — , after the insurer was unable to fulfil its collateral obligations to Goldman Sachs. The insurer was expected to cover the difference in value between the credit default swap contracts it had sold to Goldman Sachs, however, the head of the unit at AIG disagreed with the valuation that Goldman presented.
According to a memo published by Business Insider , witnesses wondered how PwC was signing off on the accounts for both AIG and Goldman Sachs when they were using different valuation methods for the swaps contracts and therefore booked different values for them in their accounts. Many of the firm's largest clients were forced to find replacement auditors before the suspension began that July.
Shortly after the suspension of ChuoAoyama, PwC acted quickly to stem any possible client attrition as a result of the scandal. It set up the PricewaterhouseCoopers Aarata, and some of ChuoAoyama's accountants and most of ChuoAoyama's clients moved to the new firm. Misuzu was dissolved in July In , India's accounting standards agency ICAI found partners of PwC guilty of professional negligence in under-providing for nonperforming assets of the now-defunct Global Trust Bank.
After the scandal broke out, Subramani Gopalakrishnan retired from the firm after reaching mandatory retirement age, while Talluri remained on suspension from the firm. In , PwC India said they were disappointed with court judgement of the case saying, "As we have said many times, there has never been any evidence presented that either of our former partners S Gopalakrishnan or Srinivas Talluri were involved in or were aware of the management-led fraud at Satyam.
We understand that Gopal and Talluri are considering filing an appeal against this verdict. PwC, which provides consulting service to the Kerala government 's Department of Information Technology   and its Space Park project,  has been criticised for appointing Ms. Swapana Suresh, who is accused in a case of smuggling gold in a diplomatic bag. Swapna Suresh by stating that she was hired based on a background verification report from past employers as well as a criminal record verification at the time.
Yukos was a Russian oil and gas company that was the target of politically motivated prosecutions by Russian authorities. The company's assets were sold for alleged unpaid taxes and it was declared bankrupt. PwC's audits were the foundation for the firm's defense in a series of continuing trials against former chief executive, Mikhail Khodorkovsky , and the former majority shareholder, Platon Lebedev.
The Russian authorities then went after PwC. PwC withdrew its Yukos audits and less than two weeks later authorities cleared PwC of any wrongdoing in regard to its audit. In , Joe Nocera in the New York Times wrote, "In , with the prospect of parole on the horizon, the same prosecutors—with what appears to be the complicity of PricewaterhouseCoopers, Yukos 's longtime accounting firm—indicted the two men Mikhail B.
Khodorkovsky and Platon Lebedev , again, bringing a new round of Kafkaesque charges. In , it was revealed that the Russian government placed pressure on PwC to withdraw audits. A cable from the U. An embassy source noted that "If the audits were properly withdrawn, this will be a 'black mark' for the defense; if not, it could help the defense, but would greatly tarnish PWC's international reputation.
Alexei Navalny , a minority Transneft shareholder and lawyer, accused the company of wrongdoing in his personal blog, and criticized PwC, Transneft's auditor, of ignoring his warnings. PwC denied wrongdoing, stating that, "We believe there are absolutely no grounds for such allegations, and we stand behind our work for OAO AK Transneft.
In , PwC was criticised by the Treasury Select Committee of the Parliament of the United Kingdom for helping Northern Rock , a client of the firm, to sell its mortgage assets while also acting as its auditor. The accountants neglected to check whether JP Morgan had the correct systems in place and failed to gather sufficient evidence to form opinions on the issue, and as a result, failed to report that JP Morgan failed to hold client money separate from JP Morgan's money.
PwC was found to be unethically favored by the World Bank in a bid to privatize the water distribution system of Delhi , India, an effort that was alleged as corrupt by investigators. The effort at privatization fell through when an investigation was conducted by Arvind Kejriwal and the non-governmental organization NGO Parivartan in The Delhi Jal Board DJB , which administers the water system of Delhi, was first approached by Parivartan in November , following a report by the newspaper The Asian Age , where the scheme was revealed to the public for the first time.
The documents revealed that the project began in , in complete secrecy within the DJB administration. When PwC was in 10th place, the World Bank said that at least one company should be from a developing country, and since PwC made the bid from its Kolkata office, it was dubbed an "Indian" company, and its rank was raised to 6th. Only one company succeeded in the new round that was not PwC, and the World Bank had the lowest marks from an evaluator thrown out. The contract was awarded to PwC in In , Cattles plc brought a legal action against PwC in the UK in respect of and audits, claiming that PwC had failed to carry out adequate investigations.
PwC disputed this legal claim. PwC admitted their "conduct fell significantly short of the standards reasonably to be expected of a member firm" in respect of the financial statements. The administrators alleged that PwC should have identified a material understatement of QIL's provisions for claims. Connaught plc , a UK former FTSE Index outsourcing company operating in property maintenance for the social housing and public sector, was put into administration in after reporting material losses.
In , the Financial Reporting Council FRC severely reprimanded PwC and its audit partner following an investigation of their conduct in respect of the audit of Connaught. The Financial Reporting Council started an investigation into accounting practices at Tesco and into the conduct of PwC in carrying out its audits in , and The firm helped multinational companies obtain legal tax rulings in Luxembourg between and The rulings provided written assurance that the multinational companies' tax-saving plans would be seen favorably by the Luxembourg authorities.
The companies saved billions of dollars in taxes with these arrangements. Some firms paid less than one percent tax on the profits they shifted to Luxembourg. Employees or former employees of PwC provided documentation of the rulings to journalists. He told the committee the financing, investments, and tax structure is legal and well known to the British government. The revelations later led to a series of EU-wide measures aimed at regulating tax avoidance schemes and tax probes into several EU companies.
In PwC initiated charges against the two whistleblowers that revealed the LuxLeaks tax controversy, and they were convicted and sentenced with suspended prison sentences and fined. In March a Luxembourg appeals court upheld the convictions of the two whistleblowers, but with reduced sentences.
The filings also alleged that PwC's Brazil affiliate, PricewaterhouseCoopers Auditores Independentes, played a significant role by attesting to Petrobras financial statements and ignoring warnings. In , Luke Sayers , then CEO of PwC Australia,   had the firm prepare a report projecting the excessive cost of a plebiscite on gay marriage.
BHS collapsed the following year with a substantial deficit in its pension fund. BT reportedly sought the immediate replacement of PwC as auditors following a breakdown of trust, but had existing commercial relationships with the other Big 4 firms which would have prevented their early appointment. PwC was responsible for tabulating the results, preparing the envelopes, and handing them to presenters. In March , the board of governors for the Academy voted to retain the services of accounting firm PricewaterhouseCoopers, despite the mix-up, saying "new protocols have been established including greater oversight from PwC's U.
In , the U. District Court for the Middle District of Alabama held PwC liable for professional negligence in its audit of Colonial Bank , which failed in after filing materially false financial information with the SEC. In , PwC was accused of disproportionately hiring younger workers and fostering "an age-conscious workplace in which youth is highly valued. In March , a collective action related to the case was certified by a federal judge in San Francisco.
In , PwC Australia CEO Luke Sayers was connected to perceived conflict of interest issues on a related to a personal investment in Australian Visa Processing AVP ,  a company part-owned by PwC that was submitting a tender to redesign and run Australia's visa processing system that is potentially worth billions of dollars, which would result in a significant financial advantage for its investors.
In , the International Consortium of Investigative Journalists ICIJ leaked over , internal documents revealing that PwC had facilitated multiple dealings in which Isabel dos Santos , the daughter of the former president of Angola , made a fortune while in charge of the state oil company, Sonangol.
Dos Santos established a network of over companies to facilitate tax evasion and the steering of millions of dollars of Angolan state contracts to companies under her control. PwC is sued for conspiring against a former client; according to the suit, the company released information about the client to a competitor in the course of a takeover approach. PwC responded with a statement that "this claim [lacks] merit and [we] will be vigorously defending it.
After completing their time at the Treasury Department, the staff were promoted to partner at PwC. In October , the accounting regulator in Hong Kong announced an investigation into PwC's audit of Evergrande , a Chinese property company. PwC had signed off the accounts of Evergrande without reference to its uncertainties as a going concern. The company itself reported concerns as to its ability to continue operating in its half-year accounts for The report found that PwC effectively enabled capture of SAA by failing to adequately audit its financial and accounting processes between and From Wikipedia, the free encyclopedia.
Multinational professional services network. For other uses, see PWC disambiguation. Trade name. Tower , Frankfurt, Germany. Torre PwC , Madrid, Spain. Main article: Price Waterhouse v. Main article: Luxembourg Leaks. Companies portal. Archived from the original on 10 October Retrieved 27 September Retrieved 1 October Retrieved 14 August Retrieved 14 October The Telegraph. Retrieved 24 November Retrieved 25 May Retrieved 29 April The Australian. Companies House. Retrieved 23 July Retrieved 24 January Retrieved 20 July Management Today.
Archived from the original on 28 May Retrieved 3 August Archived from the original on 9 December Harvard Business School Press. ISBN The British Museum. Retrieved 17 August Los Angeles Times. New York Times. Retrieved 19 June Archived from the original on 9 August The Record.
Archived from the original on 11 January Retrieved 14 December Top Consultant. Retrieved 26 October Retrieved 3 May Retrieved 15 June Retrieved 6 June Tax Pro Today. The Wall Street Journal. ISSN Retrieved 12 December Washington Technology. Retrieved 17 December Washington Business Journal. Retrieved 25 February Retrieved 9 May Retrieved 29 November Above the law.
CRYPTOCURRENCY LAWYER INDIA
Quote from: adamsandler55 on September 02, , PM. Quote from: Wooden on September 02, , AM. Can any1 pls help? Quote from: adamsandler55 on August 31, , PM. Please help b2ec0deaf2bacd7f55a72c2be2b8eadfbbeeeb8a1bd. Quote from: mario on August 30, , PM. Quote from: Wooden on August 24, , AM.
Tnx spider, appreciate it. If anyone's online and can help with that, thnaks alot. Quote from: Wooden on August 22, , PM. Can you help with that too? Quote from: Wooden on August 22, , AM. Can anyone confirm? Tnx appreciate it f2fa98c4b49efe1bbd0f1f4b58fead9ebbcb. Quote from: Baskin on August 20, , PM. Where they pool their resources together and splitting the reward for equally according to the number of shares they contributed.
Now, if you have some unconfirmed transactions because you accidentally set the tx transaction fee to low or your wallet software has an error on it that cause the fee to set as low, you need these miners on a mining pool to confirm your transaction eventually in the Blockchain network. Please be aware of some services out there who want to deceive people, pretending they can accelerate your unconfirmed transaction in which they charge for a fee.
Always make a research first before paying to these suspicious websites. If you found this article helpful please don't forget to share with your social network. Thank you! Ken is a web developer and SEO chonin who writes reviews and How-to guides on social media, fund transfers, fintech, web development, blockchain technology while trying to learn more in online marketing.
List of Bitcoin Transaction Accelerator. Ken Karlo 3 years ago. Ken Karlo 3 years ago - 4 min read. Learn More. Easy Setup on any Device. Top-rated VPN! Get ExpressVPN. How Bitcoin Transactions Get Confirmed Bitcoin miners processes transactions in the network, which they file the transactions you made into blocks and add those blocks to the Blockchain , once your transaction is successfully mined it will be confirmed as well.
List of free and paid Bitcoin Transaction Accelerators Viabtc. They also have paid accelerator if you want since there are limited numbers they accept paid transaction accelerator which will be confirmed on the next block mined by viabtc. Viabtc only pushes a transaction that has a minimum fee of 0.
Just a heads up, you can try to accelerate on viabtc and check the time if it's hour hour:minutes:seconds , coz it always reset once the clock set to hour Check your clock then hit the "Submit FREE" button to include your transaction to the next block viabtc mined.
AntPool - One of the largest mining pool with a free acceleration service. PushTX - A paid bitcoin transaction accelerator run by Poolin a multi-currency mining pool. Price is based on the size of the transaction per bytes, like what btc.
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Start Earning. Place your bet on one of our sport book events. Bet Now. Place your ad here. Simply import your existing Bitcoin wallet to review any stuck unconfirmed transactions in your wallet. Tap the stuck unconfirmed transaction, review and accept the new fees, and your stuck transaction should be confirmed in the next few blocks. This is another cool Bitcoin transaction accelerator that allows you to accelerate your stuck Bitcoin transaction.
And the cool thing is that if your transaction size is less than byte then you are not required to pay anything and SlushPool one of the biggest mining companies will mine your transaction for free. All transactions will be confirmed within 72 hours but in most cases, they are confirmed within 12 hours.
They do not offer refunds and all sales are final. If your transaction is not confirmed within 72 hours we will credit you with a free future acceleration. In my opinion, technological advancements like Afterburner that makes difficult processes like Replace by fees RBF or Child pays for parent CPFP easy for transaction acceleration are the way to go. The other two ways where we harness the pooled power of mining pools is like creating a whole new fee market for the miners which is not very good for long-term growth.
Now its time to hear from you: Have your BTC transactions ever got stuck? What do you do in such situations? Do let us know in the comments below. Do share this article with your network if you find it useful! Harsh Agrawal is the Crypto exchange and bots expert for CoinSutra. He has a background in both finance and technology and holds professional qualifications in Information technology.
After discovering about decentralized finance and with his background of Information technology, he made his mission to help others learn and get started with it via CoinSutra. It is already live. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. Notify me of new posts by email. This site uses Akismet to reduce spam. Learn how your comment data is processed. CoinSutra was founded in with the mission to educate the world about Bitcoin and Blockchain applications.
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