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NEW YORK-(BUSINESS WIRE)-The New York Stock Exchange, part of the Intercontinental Exchange global network of exchanges and clearing houses, today announced the NYSE Bitcoin Index, the first exchange-calculated and disseminated bitcoin index. Launching today, the NYXBT Index will represent the U.S. dollar value of one bitcoin unit based upon actual transactions occurring on select bitcoin exchanges which have been evaluated and meet NYSE's quality standards. "As a global index leader and administrator of ICE LIBOR, ICE Futures U.S. Dollar Index and many other notable benchmarks, we are pleased to bring transparency to this market. By combining our technology infrastructure with our expertise in index calculation and data management, we will continue to launch complimentary products based on our rigorous standards and proprietary index methodology." The index will be published within a short period of that time via the widely-distributed NYSE Global Index Feed as well as made publicly available for an initial period on the NYSE index page. The NYSE Bitcoin Index will initially feature data from transactions from Coinbase Exchange, the leading U.S.-based bitcoin exchange. The NYSE Global Index Group has more than 250 proprietary indices in its portfolio - including the NYSE Arca Biotechnology Index, StrataQuant® Index Family and NYSE Arca Gold Miners Index - and $28 billion in benchmarked assets tracking them via exchange-traded products.
Wrapping up the block size debate with voting | jl2012 at xbt.hk | Aug 04 2015
jl2012 at xbt.hk on Aug 04 2015: As now we have some concrete proposals (https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-July/009808.html), I think we should wrap up the endless debate with voting by different stakeholder groups. Candidate proposals Candidate proposals must be complete BIPs with reference implementation which are ready to merge immediately. They must first go through the usual peer review process and get approved by the developers in a technical standpoint, without political or philosophical considerations. Any fine tune of a candidate proposal may not become an independent candidate, unless it introduces some “real” difference. “No change” is also one of the voting options. Voter groups There will be several voter groups and their votes will be counted independently. (The time frames mentioned below are just for example.) Miners: miners of blocks with timestamp between 1 to 30 Sept 2015 are eligible to vote. One block one vote. Miners will cast their votes by signing with the bitcoin address in coinbase. If there are multiple coinbase outputs, the vote is discounted by output value / total coinbase output value. Many well-known pools are reusing addresses and they may not need to digitally sign their votes. In case there is any dispute, the digitally signed vote will be counted. Bitcoin holders: People with bitcoin in the UTXO at block 372500 (around early September) are eligible to vote. The total “balance” of each scriptPubKey is calculated and this is the weight of the vote. People will cast their votes by digital signature. Special output types: Multi-sig: vote must be signed according to the setting of the multi-sig. P2SH: the serialized script must be provided Publicly known private key: not eligible to vote Non-standard script according to latest Bitcoin Core rules: not eligible to vote in general. May be judged case-by-case Developers: People with certain amount of contribution in the past year in Bitcoin Core or other open sources wallet / alternative implementations. One person one vote. Exchanges: Centralized exchanges listed on Coindesk Bitcoin Index, Winkdex, or NYSE Bitcoin index, with 30 days volume >100,000BTC are invited. This includes Bitfinex, BTC China, BitStamp, BTC-E, itBit, OKCoin, Huobi, Coinbase. Exchanges operated for at least 1 year with 100,000BTC 30-day volume may also apply to be a voter in this category. One exchange one vote. Merchants and service providers: This category includes all bitcoin accepting business that is not centralized fiat-currency exchange, e.g. virtual or physical stores, gambling sites, online wallet service, payment processors like Bitpay, decentralized exchange like Localbitcoin, ETF operators like Secondmarket Bitcoin Investment Trust. They must directly process bitcoin without relying on third party. They should process at least 100BTC in the last 30-days. One merchant one vote. Full nodes operators: People operating full nodes for at least 168 hours (1 week) in July 2015 are eligible to vote, determined by the log of Bitnodes. Time is set in the past to avoid manipulation. One IP address one vote. Vote must be sent from the node’s IP address. Voting system Single transferable vote is applied. (https://en.wikipedia.org/wiki/Single_transferable_vote). Voters are required to rank their preference with “1”, “2”, “3”, etc, or use “N” to indicate rejection of a candidate. Vote counting starts with every voter’s first choice. The candidate with fewest votes is eliminated and those votes are transferred according to their second choice. This process repeats until only one candidate is left, which is the most popular candidate. The result is presented as the approval rate: final votes for the most popular candidate / all valid votes After the most popular candidate is determined, the whole counting process is repeated by eliminating this candidate, which will find the approval rate for the second most popular candidate. The process repeats until all proposals are ranked with the approval rate calculated. Interpretation of results: It is possible that a candidate with lower ranking to have higher approval rate. However, ranking is more important than the approval rate, unless the difference in approval rate is really huge. 90% support would be excellent; 70% is good; 50% is marginal; <50% is failed. Technical issues: Voting by the miners, developers, exchanges, and merchants are probably the easiest. We need a trusted person to verify the voters’ identity by email, website, or digital signature. The trusted person will collect votes and publish the named votes so anyone could verify the results. For full nodes, we need a trusted person to setup a website as an interface to vote. The votes with IP address will be published. For bitcoin holders, the workload could be very high and we may need some automatic system to collect and count the votes. If people are worrying about reduced security due to exposed raw public key, they should move their bitcoin to a new address before voting. Double voting: people are generally not allowed to change their mind after voting, especially for anonymous voters like bitcoin holders and solo miners. A double voting attempt from these classes will invalidate all related votes. Multiple identity: People may have multiple roles in the Bitcoin ecology. I believe they should be allowed to vote in all applicable categories since they are contributing more than other people. original: http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-August/009887.html
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