Bitcoin has resumed its decline since the beginning of the new week.Meanwhile, the founder of the Terra ecosystem has presented a new plan for the rehabilitation of the failed project.Bitcoin declined by 3.6% on Monday, ending the day at about $29,900. BTC resumed its decline after some recovery in recent days amid the negative dynamics of the Nasdaq.The cryptocurrency fear and greed index dropped by 6 points to 8 by Tuesday and remains in a state of "extreme fear". The index has become the lowest since August 2019, when BTC was around $10,000.According to CryptoQuant, institutional investors continue to buy BTC through market makers, despite the fall of the crypto market.Alexey Mashinsky, CEO of the Celsius Network cryptocurrency lending platform, believes that the tightening of the Fed's policy in the fight against inflation will have a beneficial effect on the cryptocurrency market.CEO of FTX crypto exchange Sam Bankman-Fried believes that bitcoin has no future as a payment network due to its low scalability and negative impact on the environment. An alternative blockchain based on Proof-of-Stake (PoS) is required for payments.Read more: Guide to PoW, PoS, PoA: how consensus algorithms work in blockchainsManaging Director of the International Monetary Fund (IMF) Kristalina Georgieva called for the creation of a new public infrastructure of payment systems, including digital currencies.A conference with representatives of 44 countries was held in El Salvador, during which it was planned to discuss the use of bitcoin for payments.ECB representative Fabio Panetta said that the launch of the digital euro could take place as early as 2026, and its testing will begin in 2023.The founder of the Terra ecosystem, Do Kwon, intends to present a new Terra fork management system to the Terraform Labs team on May 18, untying it from the TerraUSD (UST) stablecoin.The new "chain" will be completely independent — it will not be tied to the UST token, as it was before. At the same time, the Terra blockchain will continue to exist and will work, as before, with reference to the UST stablecoin, but it will be called differently - Terra Classic (LUNC).Kwon wants to conduct a hard fork as quickly as possible. If everything goes according to plan, the new LUNA blockchain will be launched on May 27.