3.3.6.0 Mandatory Update! Security and Stability

Fixing Multi-Tiers (Mandatory update)
Fixing fake stake attack
Added new buttons
Increased minimum staking amount to 12k TWINS
Improved CPU consumption
Hard fork at block heigh 317000

twins_v3.3.4.0: * Adding Multi-tiers

• Adding Multi-Tiers (Mandatory update)
• Minor fixes

v3.2.3.0 HD Wallet

Added support for BIP39/BIP44 HD Wallets

HD wallet support is disabled by default. In order to enable it, wallet must be launched with
"-usehd=1" command line parameter. Alternatively, "usehd=1" line can be included in the configuration.

Please note: Once created, wallet can't be changed to/from HD/legacy format. If you want to migrate from one format to another, you will have to create new wallet and transfer all the funds.

Random 24 words mnemonic seed will be generated for new wallets, which can be shown using 'dumphdinfo' console/CLI command

In order to create new HD wallet by restoring existing seed / mnemonic phrase, the wallet should be launched with the following options :

-usehd=1 -mnemonic="my mnemonic phrase here" -mnemonicpassphrase="Optional passphrase"

or

-usehd=1 -hdseed="_correct_hex_seed_"

Once restored, wallet can be launched with just "usehd=1" parameter.

The following RPC command is added :

dumphdinfo - Returns an object containing sensitive private info about this HD wallet

IMPORTANT security notice

1. Do not share private keys for addresses generated by HD Wallets with 3rd party, as under certain circumstances it may lead to compromise of master private key of the account.
2. Always keep your wallet encrypted
3. Backup your mnemonic seed
4. Keep your mnemonic seed backup safe & offline

Usefull tools

Mnemonic Code Converter

P.S.

This is optional update. No need to upgrade existing masternodes

v3.2.2.2: : Mandatory update !

• Protocol changed ( ! Masternode restart with start-alias will be required ! )
• Multi-tier masternodes introduced
• ability to add (temporary) checkpoints "on the fly"
• Valid forked block reject fix
• Adding testnet

Manually add checkpoints example:
addcheckpoint 125340 166d29e5779e1f4abe490445b0306b02ac381a179fab5996cb900a5f4d81971e

twins_v3.2.1.0: Mandatory update !

*** Mandatory update ***

• Protocol changed to 70915
  !!! After upgrade, masternode will need to be restarted (with start-alias) !!!

! Please note that new protocol will be enforced soon, after that old wallets will be disconnected from the network !

• Added checkpoints to ensure wallet is running on the mainnet
• Upon restart, check last known checkpoint. In case of failing checkpoint validation, wallet will attempt to resync.

In case automatic resync will not be successful (wallet still on a fork instead of the mainnet), the following steps should be taken to restart the wallet :

1. Stop the wallet
2. Delete the following files :

• peers.dat
• banlist.dat
• mncache.dat
• mnpayments.dat
• blocks (directory)
• chainstate (directory)

3. Restart the wallet

twins_v3.2.0.8

GUI: Adding "Shop" and "Statistics" buttons

twins_v3.2.0.7

Design change - dark theme

twins_v3.2.0.6

Fix Fake Stake bug
Minor bug fix

twins_v3.2.0.4

changed icons