根據 Cardano 開發者的說法，V11「Van Rossem」硬分叉更新已於 5 月 19 日在 Preview 測試網推出，主網治理投票目標為 5 月 29 日。該更新使智慧合約能以更快的速度運行並降低成本，同時導入增強的加密功能並改善質押池安全性。PreProd 測試網的 Plutus Cost Model 更新自 5 月 16 日起生效，並建議生態系參與者將其基礎設施升級至 Cardano-node v11.0.1。

根據分析師 Murphy 的說法，鏈上數據顯示，在 4 月下旬，比特幣持有 1-2 年的平均成本基礎（黃線）與比特幣持有 1-3 個月的平均成本基礎（橘線）出現交叉。這項訊號反映了早期鯨魚持有者的活動，CVDD 指標——由分析師 Willy Woo 開發的長期比特幣估值指標——在 4 月底達到 45,410 美元，僅比 2 月 10 日上升 506 美元。

根據 Glassnode，截至 5 月 7 日，Bitcoin 交易價格接近 81,000 美元，並已突破兩個關鍵鏈上成本基礎水位——真實市場均值 78,200 美元，以及短期持有者成本基礎 79,100 美元。現貨 Bitcoin ETF 在 5 月 7 日錄得其連續第五天淨流入，吸引 4630 萬美元的資金流入（源文為截斷）

OpenAI 正在因應財務壓力，將 ChatGPT 的廣告模式從「每次展示成本」（cost-per-impression）轉向「每次點擊成本」（cost-per-click）。儘管每週擁有 900 million 名用戶，但只有 5% 訂閱，導致出現虧損。此項變更的目標，是在維持使用者信任的同時，推動廣告收入成長。

美國國稅局（IRS）將自 2026 年 4 月 15 日起，對數位資產經紀商執行強制的成本基礎（cost basis）申報，要求其提交表格 1099-DA 以申報銷售及交換。此舉旨在降低資本利得的低報情況，並使 cryptocurrency 的稅務申報與傳統證券保持一致。

Gate News update: On March 26, according to monitoring by on-chain analyst Yu Jin (余烬), Sky Treasury Company SDEV currently holds approximately 2.135 billion SKY tokens across 7 on-chain wallets, with a market value of approximately $156 million. This includes staking rewards of approximately 31.6 million SKY (approximately $2.31 million), with an average purchase cost of approximately $0.065 per token. On March 25, SDEV withdrew 184 million SKY (approximately $14 million) from a certain CEX to the chain.

Gate News reports that on March 23rd, according to Bloomberg, OnlyFans founder Leonid Radvinsky has passed away from cancer at the age of 43. According to financial disclosure information from OnlyFans' parent company, the company previously used a portion of its operating funds to invest in ETH, with a purchase cost of $19.889 million.

Gate News reports that on March 23rd, according to on-chain analyst Ai Yi's monitoring, an early ETH holder from 2016 (address 0xa2F...F85A) who has been dormant for a year deposited 15,000 ETH to a certain CEX, valued at $30.97 million. This address has been accumulating ETH since 2016 with a cost price of $11.61. If this sale goes through, it will realize a profit of $30.79 million, with a return rate of 17680%.

Bitcoin miners currently have an average production cost of $88,000, with a market price of approximately $69,200, representing a loss margin of 21%. Mining difficulty has decreased by 7.76%, with hash price approaching the break-even line. Most mining companies are shifting toward AI business, while increased bitcoin sales by miners add selling pressure to the market. The next difficulty adjustment is expected in early April, and if the situation persists, further downward adjustments may occur.

March 22, Bitcoin price declined 2.36% to $69,023, with Strategy's Bitcoin holdings showing an unrealized loss of 8.8%, approximately $5.08 billion. Previously, the price briefly broke through $76,000, with holdings once in profit. As of March 15, Strategy holds 761,068 BTC with a total cost of approximately $57.61 billion.