Java 11 requirement.
With AGP 7.0.0-alpha01 we are changing the minimum required Java programming language version to Java 11.
[https://android-developers.googleblog.com/2020/12/announcing-android-gradle-plugin.html]
Month: December 2020
Articles about blockchain etc
Blockchain
Polkadot
[https://polkadot-java.github.io/]
[https://github.com/polkadot-java/api/]
Transaction Construction and Signing
[https://wiki.polkadot.network/docs/ru/build-transaction-construction]
sr25519
[https://wiki.polkadot.network/docs/en/learn-keys]
Polkadot apps
[https://polkadot.js.org/apps/#/accounts]