Vialectrum 3.1 is live! It adds several new features + fixes VialectrumX server issues.

github.com4y ago
Release 3.1 - (March 14, 2018) Memory-pool based fee estimation. Dynamic fees can target a desired depth in the memory pool. This feature is optional, and ETA-based estimates from Viacoin Core are still available. Note that miners could exploit this feature, if they conspired and filled the memory pool with expensive transactions that never get mined. However, since the Electrum client already trusts an Electrum server with fee estimates, activating this feature does not introduce any new vulnerability. In addition, the client uses a hard threshold to protect itself from servers sending excessive fee estimates. In practice, ETA-based estimates have resulted in sticky fees, and caused many users to overpay for transactions. Advanced users tend to visit (and trust) websites that display memory-pool data in order to set their fees. Capital gains: For each outgoing transaction, the difference between the acquisition and liquidation prices of outgoing coins is displayed in the wallet history. By default, historical exchange rates are used to compute acquisition and liquidation prices. These values can also be entered manually, in order to match the actual price realized by the user. The order of liquidation of coins is the natural order defined by the blockchain; this results in capital gain values that are invariant to changes in the set of addresses that are in the wallet. Any other ordering strategy (such as FIFO, LIFO) would result in capital gain values that depend on the presence of other addresses in the wallet. Local transactions: Transactions can be saved in the wallet without being broadcast. The inputs of local transactions are considered as spent, and their change outputs can be re-used in subsequent transactions. This can be combined with cold storage, in order to create several transactions before broadcasting them. Outgoing transactions that have been removed from the memory pool are also saved in the wallet, and can be broadcast again. Checkpoints: The initial download of a headers file was replaced with hardcoded checkpoints. The wallet uses one checkpoint per retargeting period. The headers for a retargeting period are downloaded only if transactions need to be verified in this period. The 'privacy' and 'priority' coin selection policies have been merged into one. Previously, the 'privacy' policy has been unusable because it was was not prioritizing confirmed coins. The new policy is similar to 'privacy', except that it de-prioritizes addresses that have unconfirmed coins. The 'Send' tab of the Qt GUI displays how transaction fees are computed from transaction size. The wallet history can be filtered by time interval. Replace-by-fee is enabled by default. Note that this might cause some issues with wallets that do not display RBF transactions until they are confirmed. Watching-only wallets and hardware wallets can be encrypted. Semi-automated crash reporting The SSL checkbox option was removed from the GUI. The Trezor T hardware wallet is now supported. BIP84: native segwit p2wpkh scripts for bip39 seeds and hardware wallets can now be created when specifying a BIP84 derivation path. This is usable with Trezor and Ledger. Windows: the binaries now include ZBar, and QR code scanning should work. The Wallet Import Format (WIF) for private keys that was extended in 3.0 is changed. Keys in the previous format can be imported, compatibility is maintained. Newly exported keys will be serialized as "script_type:original_wif_format_key". BIP32 master keys for testnet once again have different version bytes than on mainnet. For the mainnet prefixes {x,y,Y,z,Z}|{pub,prv}, the corresponding testnet prefixes are {t,u,U,v,V}|{pub,prv}. More details and exact version bytes are specified at: Note that due to this change, testnet wallet files created with previous versions of Electrum must be considered broken, and they need to be recreated from seed words. A new version of the Electrum protocol is required by the client (version 1.2). Servers using older versions of the protocol will not be displayed in the GUI. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 63778eba43ba7eac1d2aa71079ec1cd539d6c8764287a559126280a18f71fafd vialectrum-3.1.exe 0db4c62f4126f9617be5e556c9edaa6943921ea4a2f5d4c85a126da1b8728847 vialectrum-3.1-portable.exe b8aef1cbf25e8d8a389848a5366e86e9bfdffb4ec15092d28a21462302a1e213 vialectrum-3.1-setup.exe -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEE+1u6Oha8avDSoh1hP5I2jw0hogYFAlqpmMsACgkQP5I2jw0h ogbR5wf/YCjsggkk0ri/PvvANtpVYAraHPf2epN06pVtmC9fmYrCpFT7zggdcmBL JcuQHaGjoodVJXPBQehxOXs1vwiyQK2DEnnffcCYmGEVRJp+C0UCohazLLUW8mSH RIn96nnoli8YL2XTyGRUhWuBjCgdBX85EeqOWvS+Ut66A09FJNZ1ynt9QCspoUx/ KDizTOMzM1ZLlmSsurT8McXys3Dh2PladN1OSF4/7Gm24+GRGl1Q1inYiRGd4HN9 irhxuFpaR0x3IajZBKrDE+xoyMVS0wLae6AoZ6ikVICvBREvkmLycbUq2QhZzXyV Qi+l/O6ge1pEOe/KjAegiRnOTzX/5Q== =pvMt -----END PGP SIGNATURE-----
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