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goodvalue區塊鏈

發布時間: 2021-06-22 01:20:15

區塊鏈開發學什麼資料庫比較好

區塊鏈是去中心化的系統,但是由於區塊鏈中的區塊能保存的數據有限,因而區塊鏈+資料庫(雲存儲、分布式資料庫等)這種形式是在區塊鏈項目中應用比較多的一種設計。
在這種前提下,可以選擇的資料庫也有很多,比如輕量級的sqlite,可以作為app的基礎數據存儲支持,需要更大數據量性能支持的也有mysql、oracle可以使用,另外在項目緩存服務中也可以選擇使用各種key-value資料庫,如常用的redis,Memcache等來作為緩存支持,當然各種分布式資料庫系統也是現今發展的一個方向,比如阿里巴巴研發的OceanBase就是一款金融級分布式關系資料庫,RethinkDB則是一款擁有免費授權與商用授權的分布式資料庫。總之,需要學習的資料庫不是一個兩個的問題,而是需要根據實際情況入手從基本的關系型資料庫開始學習,在此基礎上再不斷提高,學習NoSql資料庫以及分布式資料庫系統開發是比較好的一個學習路線。鏈喬在線誠意奉上。

㈡ ETB區塊鏈技術

Economic International Technology簡稱ETB,中文名全球比特聯盟, 為解決現在區塊鏈技術所遇到的問題,2017年五月中旬由全球最大比特幣礦工聯盟發起成立ETB項目組,歷時半年時間ETB通過最頂尖加密技術在繼承比特幣優良特性的基礎上對現存問題進行革新,ETB加密貨幣總發行量2100萬枚,ETB區塊使用現在的線性演算法進行挖礦動作,而是使用仿生的房產網路算力繼承模式,形成一個虛擬貨幣房產網路,我們把每一個賬戶認定為一個ETB,把每一個支付結算應用利用房產末梢的模擬完成最終的支付即時完成。

偉大科技讓原本復雜的世界變得簡單了。久遠的不必贅述,僅數十年來,計算機、互聯網、智能手機等高新技術的紛至沓來,就讓曾經普通人難以想像的事務,譬如全球通信變得現實且簡單了。目前在更為復雜的全球房地產投融資領域,也正在迎來一場走向簡單的變革。這得益於區塊鏈技術的崛起和智能合約的運用,並由ETB平台帶入了現實。

ETB希望,通過基於區塊鏈技術和智能合約運用的投資平台,將全球投資者和房地產項目鏈接起來,並在線直觀的呈現整個房地產項目的一切,從原材料、物流,施工到完工,再到經營和收益等等,讓房地產投資變得透明、易懂、可預測,通過ETB平台,任何投資者都可以投資任何國家的房地產項目,地產商也將可以更直接的面對投資者。

不妨回憶一下我們的日常網購生活:當我們相中某款商品時,都會先將費用支付給交易平台,諸如淘寶或者京東,然後等待商家發貨,在我們確認收到貨物之後,平台再將費用轉交給商家。在這個購物流程中,我們之所以能相信陌生的賣家,是因為我們別無選擇的只能相信交易平台,否則就無法交易。而基於區塊鏈技術就不必如此復雜了,比如在Eit平台,投資者和地產商只需要相信自己的判斷就可以直接互動,Eit需要做的,只是對投資者身份和房地產項目進行嚴格審核,並提供代幣保障平台交易的正常進行就可以了。

如果說昨天,區塊鏈技術的應用還僅限於銀行、證券、基金等少數金融領域,那麼現在,區塊鏈已經開始直接影響普通人的日常生活,ETB房地產投資分散型平台的出現,以及區塊鏈進入建築業,改變了我們對房地產投融資領域的傳統看法,信任與合作已經如此簡單。

比特幣社區作為比特幣技術的研發中心,同時擔負起了引導整個行業技術革新的使命,我們在不斷演進區塊鏈技術的過程中發現,整個行業出現了一些致命的問題!包括比特幣的區塊鏈技術!所以我們從2018年起開始對現在的區塊鏈技術進行革新和迭代,以下內容將詳細的闡述區塊鏈所遇到的問題以及Eit區塊鏈怎麼來解決這些問題,同時公布生命體區塊鏈核心演算法。

問題一:區塊鏈無法真正融入消費場景!

比特幣的長期願景就是對現有貨幣體系進行數字化對接,讓比特幣成為現實貨幣的數字化內核,但是不管是比特幣還是其他的區塊鏈技術都無法真正實現這個目標,至少到現在為止所有的區塊鏈都只具備一個屬性那就是投資屬性,出現這個問題的主要原因其實是技術上的幾個問題,第一,數字貨幣的交易時間,現存的區塊鏈交易技術是無法實現實時交易的,因為在設計之初為了安全和去中心化等問題,我們拋棄了大量時效性的方法。無法實時完成貨幣交割,這是最大的問題!

問題二:區塊遺失!

這個問題是個綜合的問題,部分區塊的遺失一般出現在幾種情況下:

1、賬戶標記遺失

2、礦機標記遺失

3、所有人無有效繼承

這個問題看似很小,但是對於區塊鏈的影響是致命的,因為經過不斷的遺失最終區塊的總量將會越來越少,所以對應的價值將會持續增高,增加的投機者的投資驅動力,對一個區塊鏈的健康長期的發展產生惡性循環,並且讓用戶對整個區塊鏈無法信任。

問題三:去中心化技術運營

比特幣社區就是為了去中心化的技術更新而存在的,但是我們其實無法把真正好的技術更新快速完成因為大部分的冷錢包和礦機要接受這一次迭代更新,技術更新才能完成,比特幣在設計上和公平性上都是沒問題的,但是其實我們忽略了一個重要的問題-延遲性!我們發現想要完成一個技術迭代現在看來幾乎是不可完成的,因為沒有人願意改變,可能這才是我們遇到的最大的問題吧!

Eit的房產網路區塊鏈將會輕松的解決以上問題!

解決方案一:時效消費場景交易

消費場景在Eit的設計中主要分為兩個層次-線上和線下,我們首先改變我們對錢包的認知,生命體的錢包首先是一個網路版本沒有冷錢包的設計,主要就是為了解決交易的時效性。

線上交易:每一個需要支付環節的線上應用都可以對接我們的錢包API,快速完成交易,貨幣交割時間1-3秒。

線下交易:線下支付我們將提供一個類似的API給到支付工具的設計廠商,通過快速開發包,完成線下支付工具的開發,交易時間同樣是1-3秒!

解決方案二:錢包綁定機制

首先我們在考慮一個問題-到底用戶的憑證是什麼?移動互聯網時代,手機就是用戶最時效和准確安全的憑證,我們的錢包設計基於對用戶手機的綁定,通過綁定手機環節不僅可以有效解決賬戶遺失問題,繼承問題同時有效解決!

解決方案三:去中心化的技術

這里為什麼叫技術運營呢!其實技術的更新就是對整個體系的運營,我們在Eit設計了一個投票機制所有的錢包根據一個權重體系完成投票環節,通過權重體系的認定快速強制性完成錢包和礦機算力的更新!

未來已來,希望Eit的引入能夠真正的革新整個區塊鏈行業!

Cloud - referred to as "ETB, Chinese bits of Cloud, to solve the problems now block chain technology, by the world's largest currency in mid-may 2017 miners union launched ETBproject team, lasted six months, ETBby top encryption technology on the basis of succeeding to the good features of the currency of existing problems in innovation, ETBencryption currency a circulation of 21 million pieces, ETBblock using linear algorithm for mining action now, but using bionic property network force inheritance pattern, forming a network of virtual currency property, us to identify each account as a ETB, apply every payment settlement to complete the final payment of housing endings simulation done immediately.

Technology is making great originally complex world becomes simple. No more long, only for decades, the high and new technology such as computer, Internet, smart phones, let ordinary people once unimaginable transactions, such as global communication become reality and simple. At present in the field of more complex global real estate investment and financing, is also usher in a change to the simple. Thanks to block the rise of chain technology and intelligent use of contract, and by the Eit platform into reality.

ETBhope, through technology and intelligent use of investment contract based on block chain platform, link to global investors and real estate projects, and online visual rendering the whole real estate projects, from raw materials, logistics, to the completion of construction, to operation and benefits, etc., let the real estate investment in a transparent and easy to understand, predictable, through the platform of ETB, any investors can invest in real estate projects of any country, developers will also can more directly in the face of investors.

May recall our daily online life: when we phase of a proct, all fees paid to first trading platform, such as taobao or jingdong, and then wait for the businessman shipment, after we confirm receive the goods, the platform to transfer the cost to merchants. In the shopping process, we can believe that the strange sellers, because we have no choice but can only believe that the trading platform, otherwise, cannot trade. And based on block chain technology is not so complicated, in Eit platform, for example, investors and developers only need to believe that your judgment can direct interaction, Eit need to do, just for investors to strict audit status and real estate projects, normal trading platform and provide tokens, guaranteed.

If yesterday, block chain technology application is limited to a few financial sectors such as banking, securities, fund, so now, block chain have begun to directly affect the daily life of ordinary people, the emergence of Eit dispersible in real estate investment platform, as well as the block chain into the construction instry, changed our ideas about traditional in the field of real estate investment and financing, trust and cooperation have been so easy.

As COINS COINS community technology research and development center, at the same time shoulder the mission of the guide the whole instry technology innovation, we are in the process of evolving block chain technology, found that some fatal problems the instry! Including the currency block chain technology! So we started since 2018 to now block chain technology innovation and iteration, the following will be detailed in this paper, the problems and ETB block by block chain chain how to deal with these problems, at the same time announced life block chain core algorithm.

Problem a: block chain can't really into consumption scene!

The currency's long-term vision is digitally docking to the existing monetary system, for the currency to become real currency digital kernel, but whether the currency or other block chain technology can really achieve this goal, at least so far all chain blocks only have an attribute that is investment property, the problem is the main reason of the technology on a few questions, first of all, digital currency trading time, the existing block chain trading technology is unable to realize real-time transaction, because at the beginning of the design for the sake of safety and decentralization, we abandoned the timeliness of the method. Unable to complete real-time delivery, money is the biggest problem!

Problem two: block is lost!

This problem is a comprehensive problem, missing some blocks generally appear in several cases:

1, accounts tag missing

2, mill tag missing

3, all without effective inheritance

This problem seems to be very small, but for the influence of block chain is deadly, because after constantly lost finally the amount of blocks will be less and less, so the corresponding value will continue to increase, increase investment speculators driving force, to the health of a block chain development create a vicious cycle for a long time, and let the user to the whole block chain cannot be trusted.

Question 3: decentralized technology operations

COINS community is to the existence of decentralized technology updates, but we really can't finish the really good technology updated quickly because most of the cold wallet and ore confidential to accept this time iterative update, update technology to complete, the currency on the design and fairness are no problem, but actually we ignored an important part of the problem - the delayed! We found that want to complete a technical iteration now is almost impossible, because no one is willing to change, perhaps this is the biggest problem we met!

ETB property chain network blocks will be easy to solve the above problem!

Solution a: aging consumption trading scene

Consumption scenarios in the design of ETB - online and offline mainly divided into two levels, the first thing we change our cognition to the wallet, purse is first and foremost a network version of the life not cold purse design, main is to solve the timing of the deal.

Online transactions: each link need to be paid for the online application can be docking API, our wallet quickly complete the transaction, currency delivery time 1 to 3 seconds.

Offline payment: offline payment, we will provide a similar API to pay the tool design manufacturers, through rapid development kit, complete offline payment tool development, trading time is also 1-3 seconds!

Solution 2: wallet binding mechanism

First of all we are thinking about a question - what is the end user's credentials? Mobile Internet era, the mobile phone is the most limitation and accurate user security credentials, our wallet design based on the binding of user's phone, through binding mobile phone link not only can effectively solve the problem of account lost, succession and effectively solve!

Solution 3: decentralized technology

Why call technology operations here! Technical update is actually on the system's operation, we have design a voting mechanism in Eit all wallet, according to a weight system to complete the voting link through the weighting system of fast is mandatory to complete the wallet and mining machine force update!

Future has come, in the hope that the introction of the Eit can truly the innovation of the whole block chain instry!

㈢ 新聞上說的VCT(ValuCyber)區塊鏈是什麼意思跟其他的有什麼區別

VCT(ValueCyber Token)是下一代兼具彈性的區塊鏈系統的簡稱。

VCT公鏈跟比特幣、以太坊區別:結合了物理世界的准入系統以及非確定性事務的表達。
在共識上以需達成共同體(相關參與者)共識,而非全節點共識(純消耗算力)。
支持跨鏈協作,向歷史、未來兼容。
VCT幣:已登陸bit-z、Fcoin交易所。

㈣ 為啥看好區塊鏈

2016年,區塊鏈技術在不少領域諸如金融、慈善、農業等領域得到了很好的應用(相關文章:有了它,假慈善、學歷造假、食品安全問題將迎刃而解!)。由於區塊鏈技術特點顯著,應用前景廣泛,2016年12月底,其還被列入 《「十三五」國家信息化規劃》中。
基於區塊鏈在2016年的種種表現,不少人認為2017年將是區塊鏈高速發展的一年。IBM的商業價值研究院(Institute for Business Value)曾開展題為《醫療保健區塊鏈(Healthcare rallies forBlockchains)》的研究,結果顯示16%的公司高管告訴IBM研究員,他們對區塊鏈的實驗階段已結束,他們准備在不久的將來採納、實施和實現區塊鏈商業化。幣盈中國就走在了利用區塊鏈技術的前列,開創了「區塊鏈+眾籌」的新模式。

㈤ 區塊鏈開發企業哪家好

區塊鏈技術稱之為分布式賬本技術,是一種互聯網資料庫技術,其特點是去中心化、公開透明,讓每個人均可參與資料庫記錄。
區塊鏈技術將應用於金融行業的徵信,交易安全和信息安全。金融的數據安全、信息的隱私以及網路的安全正適合分布式區域塊技術、 區塊鏈在金融方面可以形成點對點的數字價值轉移,從而提升傳輸和交易的安全性。
國內的區塊鏈技術公司起步較晚,但ico項目多,發展十分迅速,目前比較知名的區塊鏈技術公司有英唐眾創,飛天誠信,魯億通等。
在這些知名公司里,代幣價格高低不一,但以區塊鏈技術做商業應用的比如深圳的英唐眾創等,開發商業應用技術,以區塊鏈商品物聯網綜合服務平台為核心,為企業、消費者提供更具競爭力的生產管理、倉儲管理、防偽溯源、精準營銷等服務。
隨著ico項目的增多,監管勢必順勢而來,因此無論是知名還是不知名,只有真正地做應用技術,將區塊鏈技術運用於商業應用,才可能真正走得更加長遠。

㈥ InterValue互聯價值的區塊鏈4.0有哪些優勢

InterValue互聯價值充分吸收現有區塊鏈1.0、區塊鏈2.0和區塊鏈3.0項目的優點,解決它們的突出問題和技術缺陷,構建更加繁榮的應用生態。InterValue創新設計了鏈上鏈下數據映射機制,基於有向無環圖(DAG)和哈希網(HashNet)的新型增強數據結構、基於HashNet共識和BA-VRF共識雙層共識機制、引入外部觸發條件的高級圖靈完備智能合約、基於Keccack512哈希演算法和NTRDSign簽名演算法抗量子攻擊密碼演算法、基於環簽名和零知識證明交易匿名保護機制、基於跨鏈適配器和外部子網的多鏈融合機制,具有交易快速確認、抗量子攻擊、節點匿名通信、交易匿名保護、高級智能合約、數據上鏈等區塊鏈4.0的功能特性,並通過採取公平分發機制,支持第三方資產發行、跨鏈通信、多鏈融合等功能。

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