
Updates
Qtum Mainnet V0.15.2 Released — Optimized network topology and fixed several bugs
New features:
- Fix a staker halving subsidy calculation bug
- Fix some translations errors and typos
- Add Support for openssl 1.1
- Fix CVE-2018–12356 by hardening the regex
- Fix a python tests bug that caused bulk running of tests to fail
- Add static seeds
- Add new dns seed nodes
- Update copyright year
X86 virtual machine
- Refractor the storage structure of contract bytecodes and status values in x86VM;
- Add interrupt handling for VM status reading/writing
Enterprise Edition QtumX
- Released QtumX v0.15.6 Beta
- The first round of Alpha test is done, in which several bugs were discovered and repaired.
- We received the name system needs from enterprises, completed the design phase and now entering the development phase.
Qtum Electrum — Light wallet
- Optimized transaction serialization, deserialization, and signature logic to better support segwit;
- Trezor supports signature segwit transactions;
- Improved test cases;
Qtum Blockchain Browser
- Fixed several qtum.info browser bugs;
- Improved browser stability;
- Completed the draft of the browser API document;
Qtum lucky money app
- Completed web-view embedding;
- New feature: Scan code to give and receive qtum as gift money in digital red envelopes
Qtum DApp Chrome Plugin
- Completed technical prototypes and product designs
- Implemented functions such as importing mnemonics and transferring funds between accounts;
New version of the mobile wallet
- Completed the development of login/sign flow of mobile wallet.
Qtum node deployment
- Completed data server migration for nodes.
- Optimized DNS for seed nodes, add dynamic IP, optimize network topology;
Technical cooperation and exploration
- Discuss with universities about research topics and cooperating details for lectures and competitions;
- Researching technical solutions to deploy blockchain or issue token in one click.
Qtum Expenditures
Variation Chart of Expenditures in BTC for March

Variation Chart of Expenditures in BTC for April

Variation Chart of Expenditures in BTC for May

Community and Marketing Events Summary from March to May (2018)
- Qtum x86 VM development progress launch event in Seoul
- Consensus 2018
- Qtum tech meetup at Columbia
- Qtum tech meetup at Yale
- CSSA blockchain forum at Harvard University
- Open lesson at SUSS
- Penn Wharton China Summit
- Stanford Blockchain Conference
- Blockchain applications forum 2018
- Qtum developers meetup in Shenzhen