Category: Blockchain

  • Bitcoin exchanges must remain vigilant to low value coins

    Heard that a vulnerability found on cryptocurrency (FuturXE (FXE)). The problem is that smart contact designer make a programming logic mistake. Department of Homeland Security confirm the bug this week. (CVE-2018–12025) – https://nvd.nist.gov/vuln/detail/CVE-2018-12025 The vulnerabilities and cyber attack looks never stop so far. Do you still remember virtual currency exchange Coincheck lost $400 million in…

  • Hyperledger Iroha v1.0 beta-2 version to remediate CVE-2018-3756 (May 2018)

    The earlier generation of blockchain technology empower encryption power let the world know his capability. As times goes by people found the design weakness of blockchain technology is the performance of synchoization of the peer nodes. Such design weakness cause double spending vulnerability. The next generation of technology so called HYPERLEDGER. It enhance the design…

  • See whether Bitcoin signatures do not comply with RFC 6979

    Have you heard a song by Dinah Washington ? The song title is what a difference a day made? In crypto currency world, bitcoin is the big brother. However technology world still concerns Bitcore signatures is able to comply with RFC 6979 specification? Bitcoin owner must protect the private key. The conceptal idea is that…

  • Bitcoin Bunker

    We watch the movie, tycoon decide to keep the money in Switzerland. Whatever special of reasons. Swiss made or location provides a secure and best environment to the world. Besides, swiss army knife a symbol of permanent and reliable tool to solider. Just heard from Bloomberg headline news that the Wealthy Are Hoarding $10 Billion…

  • The design weakness of Ethereum

      Preface: Any idea from you in regards to cryptocurrencies security features at this moment?  From technical point of view, blockchain technology is able to protect the data in the block. Thus hacker is hard to modify the data. It looks a prefect system. As far as we know, crypto currencies platform not secure as expected.…

  • CVE-2018-10299 – integer overflow jeopardize Ethereum Zone

    In the view of cryptocurrency supporter, Ethereum is the best. The cyber incident occured in cryptocurrency world so far shift the security focus to e-wallet (end point). Perhaps the cyrpto platform itself contains design limitation. However the end point design of crypto currency platform looks have more space for improvement. If you install the MetaMask browser plugin,…

  • Ethereum – CVE-2018-10468

    As far as I remember, the goal of bitcoin technology aim to replace the traditional payment. In additional, the slogan of bitcoin is that it can provides a more secure way to send the money and it is hard to counterfeit.  We heard cyber security incidents happened in bitcoin industry frequently last year.  Ethereum ,…

  • Hackers jailbreak MyEtherWallet Infrastructure (Apr 2018)

    ISPs tend to restrict what an end customer can advertise. However, any ISP do not filter customer advertisements. A possible factor let’s hacker compromise the customer router thus advertise errant information into the global routing table. An attackers stolen at least $13,000 in Ethereum within two hours. Security expert speculate that it is a DNS…

  • Verge Is Forced to Fork After Suffering a 51% Attack

    Blockchain technology contains advanced security features fundamentally. However the heist occurs in such secure platform are in frequent. The questions of a retrospective and why was hacked? It proof that the problem not given by blockchain technology design flaw. Most likely the root causes are given by end point (client side), operation management (show the…

  • Hyperledger technology without compromise

    It has different fraud found in banking industry in past. The most annoying import and export bills department is the letter of Credit application.  A regulation gap in between cross-border countries. There are fraudulent cases found in banking industry in past. The most annoying topic is the import and export bills department is the letter…