Mainnet FastLane v0.20.4 - Hardware wallet staking and GUI support - Improvements and Bug fixes

• v0.20.4 – Hardware wallet staking and GUI support - Improvements and Bug fixes
  • Add GUI support for hardware wallets.
  • Add contract calls, QRC20, delegations and staking support for Ledger nano S. Use Qtum Ledger Nano S Loader to install the new wallet and staking apps on the Ledger Nano S.
  • Use the new logo in the GUI wallet.
  • Fix a bug in ABI string list decoding.
  • Fix a bug that prevented setting a sender address in callcontract rpc call.
  • Fix a bug that caused transaction signing to fail in some cases.
  • Fix build on recent macOS versions.
  • Update nMinimumChainWork, defaultAssumeValid and chainTxData.
  • Add recent checkpoints.

Hash validation

If you would like to validate that the binaries you download are exactly the same as those provided and built by the Qtum team, then you can compare your binaries to the following sha256sum hashes:

363db433900921d1f61f0a9a2158da2ecbcf3f3c7e21a8eef7aa252208d2d1fa  qtum-0.20.4-aarch64-linux-gnu-debug.tar.gz
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b1d120e12279adabc62d112d93c78677dd87cef6f183621ec4e7814270faecd1  qtum-0.20.4-arm-linux-gnueabihf-debug.tar.gz
703b4139e899648c00dd9fc38fd49814bf75003a48c06c74b48a922782f25c9f  qtum-0.20.4-arm-linux-gnueabihf.tar.gz
773c2ca4b96b480e2dbdc576dbfbc67451f6ac4ee97de69a49e5b9b6ec668e72  qtum-0.20.4-riscv64-linux-gnu-debug.tar.gz
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f0bf130a86e5278cea3198a3e2034f0cb802cc4aae886c171afb55443d1837cf  qtum-0.20.4-x86_64-linux-gnu-debug.tar.gz
bd9eb6e17140c612130fda17b131fcbe7acc4b5a025adf4520860b6b4f77b338  qtum-0.20.4-x86_64-linux-gnu.tar.gz
8a0f108a867877b5327dba721297c160b6609280294748cc4754367884f3eeba  src/qtum-0.20.4.tar.gz
15210b6e0bc085cc933ac4e83d1846306309f5529a08b8c1a61b8c3c8be81350  qtum-core-linux-0.20-res.yml

e8a1e764e238d8b1f9bc24d2186c88d8e27b7b03de59ff15de6a0d66aa9ba648  qtum-0.20.4-win-unsigned.tar.gz
d887320137879e82fd94504d4ed2183e52bf3221d66f98a9648ad45a2360c560  qtum-0.20.4-win64-debug.zip
21f76d7d85aa9f63278f572b1602d4cd2bfbce2bb7defbb655201c819d60f8a1  qtum-0.20.4-win64-setup-unsigned.exe
8b0d7dd2c0865d38a127aec55d89bcfdf23e0886144d016cf004057a06877bb4  qtum-0.20.4-win64.zip
8a0f108a867877b5327dba721297c160b6609280294748cc4754367884f3eeba  src/qtum-0.20.4.tar.gz
c1fed584bdf199f9fde10b9aa2e5984077cd5705a499adf8af75c7d4b86b2fb3  qtum-core-win-0.20-res.yml

27340f3f183b7806836841244b88f920e44a6274bad2849c1a7eb9ccf5d9f433  qtum-0.20.4-osx-unsigned.dmg
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7b5c29c4ea5acefc8b830defdcb681f8ddd5adb15a69ddbaf690e1147bc09324  qtum-0.20.4-osx64.tar.gz
8a0f108a867877b5327dba721297c160b6609280294748cc4754367884f3eeba  src/qtum-0.20.4.tar.gz
f65aaac7dbd35e3c5dabf38e8fcc06105082b3763d7b77dce4f46aa704369380  qtum-core-osx-0.20-res.yml