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.

Exchange	Pct. Daily Volume	Status
Poloniex	40%	Upgrade complete
HTX	26%	Upgrade complete
BitMart	11%	Upgrade complete
Binance	6%	Upgrade complete
Upbit	4%	Upgrade complete
MEXC	2%	Upgrade complete
CoinW	2%	Notified
SuperEx	1.7%	Notified
Digifinex	1.5%	Notified
Bybit	1.5%	Upgrade complete
BYDFi	1.5%	Notified
BigONE	1.3%	Notified
Kraken	1%	Upgrade complete
BitKan	0.5%	Upgrade complete
Gate.io	0.3%	Upgrade complete
Bithumb	0.2%	Upgrade complete
Crypto.com	0.2%	Notified

Mining Pools

Pool	Status
f2pool	Upgrade complete
DxPool	Upgrade complete
Luxor	Upgrade complete