Why can gold continue to rise? Not only because of the elusive consensus, but also because it is' useful '. Its price confidence comes from an extremely mature peripheral service system that connects physical and digital goods: Difficult to keep? Provide independent storage services for gold, such as London vaults or private shelters in Switzerland. Difficult to purchase? Gold ETFs allow retail investors to buy gold like buying stocks, unleashing trillions of purchasing power. Not easy to recycle? The innovative C2B recycling chain has bridged the last mile of gold's transformation from "jewelry" to "currency". By contrast, the core issue facing Bitcoin is "capital dormancy". More than 61% of Bitcoin has not moved for over a year, with trillions of dollars in value locked in static So, BTCFi is not just icing on the cake, but one of the most important links for Bitcoin to become "digital gold". Fortunately, the industry's attempts and efforts in this area cannot be underestimated. Just now, Bitcoin ZK rollup @ citrea_xyz announced the official launch of its mainnet. The total financing amount is 16.7 million US dollars, led by Galaxy Digital and Founders Fund. Among the star studded Bitcoin L2, Citroa is also the most dazzling batch. Why is' this time different '? 1/Technically speaking In the past, Bitcoin either remained in its original state or relied on centralized solutions. Citroa has achieved a win-win situation for the first time through ZK technology and BitVM. It not only maintains the security of the Bitcoin network, but also gains full programmability. 2 ️/Ecologically speaking Citrea's main website launched 30+applications immediately, covering: Transactions: Satsuma, JuiceSwap, Fibrous Loans: Morpho, Zentra Finance (to be launched) Privacy: Crest Privacy Payment (to be launched) Market Prediction: Signal BTC Price Prediction (to be launched) 3 ️/Native stablecoin support Citroa also launched ctUSD, a stablecoin issued by MoonPay and supported by M0 infrastructure. 100% is supported by US treasury bond bonds and cash reserves, supporting BTC mortgage lending. The significance of Citroa is to make Bitcoin start to be as "useful" as gold. It is no longer just a code that cannot be imported, but a digital currency base that can generate interest, pledge, and highly circulate. How to participate? Firstly, open the link https://app.citrea.xyz/ Secondly, complete the task and collect as many badges as possible. Attention: In the first week of the main network, there will be a bonus, so don't waste it. Take action.