V2: The Final Cut - Network Upgrade (December 2025)
Sia performed a network upgrade at block 552,100 which occurred at about 9:40 AM UTC on December 2, 2025. This release removed deprecated fields, fixed a difficulty adjustment bug, and prepared the network for parallel and instant syncing.
The hardfork activated without issue and all ecosystem parties upgraded successfully.
Supported versions:
walletd v2.11.0+
hostd v2.4.0+
renterd v2.7.0+
minerd v0.3.2+
This is a drop-in upgrade for all v2 compatible versions.
Exchanges
As always, we recommend never storing your tokens on an exchange. You know the old saying: not your keys, not your coins.
