and MR falls below 15% - Step 1 is skipped.

What is Bitcoin The concept of Bitcoin, first proposed by Satoshi Nakamoto in November 2008, is a peer-to-peer electronic cash system that does not require the participation of central institutions such as the government, but is maintained by everyone. The total number of bitcoins is constant, 21 million. Has the good name of “digital gold”.

To correct our misunderstanding of Proposal 26, we have revised our migration schedule and this announcement supercedes the old announcement dated 5 December 2025. To support the official plan of MantraDAO migration from ERC20 to MANTRA (Proposal 17) , OKX has revised the OM crypto migration schedule: OM transfers, deposits, and withdrawals will be suspended at 3:00 am UTC on Dec 22, 2025.

EIP-7702 is an Ethereum Improvement Proposal that enables account abstraction by allowing EOA (Externally Owned Accounts) to execute smart contract code. It introduces more flexible transaction methods, such as batch transactions and gas fee delegation, enhancing the user experience. EIP-7702 blurs the boundaries between EOAs and smart contract accounts, offering greater flexibility to the Ethereum ecosystem.

Official resources for the Sei network upgrade: Official announcement: https://www.mintscan.io/proposals/108 Please note: Trading: Trading of and related tokens is not affected. However, please be aware of potential risks in spot, margin, and derivatives trading of crypto assets, and increase your margin in advance to reduce risk. Asset safety: For the safety of your assets, please avoid depositing or withdrawing these tokens during the network upgrade to prevent any potential loss of funds.

Official resources for the Cosmos network upgrade: Official resources: https://github.com/cosmos/gaia/releases https://forum.cosmos.network/t/proposal-idea-token-factory-on-cosmos-hub/15967 Please note: Trading: Trading of Cosmos related tokens (ATOM) is not affected. However, please be aware of potential risks in spot, margin, and derivatives trading of crypto assets, and increase your margin in advance to reduce risk.

In order to protect the interests of our users, we have decided to suspend the previous proposed failure handling. According to public information, there are no new blocks being produced at block height of 494784 since 12:48 (GMT) November 17, 2017. Moreover, Segwit2x did not have a dymanic adjustment mechanism, so there is still a high probability that Segwit2x Hard Fork will not be succeed therefore BT2 will eventually return 0.

Dear OKX Users: The hardfork proposed by the Bitcoin Gold (“BTG”) is expected to occur at the block height of 491407 (HKT – Oct 24 2017). OKX, as a company dedicated to promote Bitcoin application, would continue to strive for providing the best services to our customers. Therefore, we have decided to conduct an asset snapshot before the fork and would then make a reasonable attempt to credit our users BTG subjected to our review on network status and BTG codes.

MMR = Sum of USD value of each risk unit derivatives MMR + Borrowing MMR Derivatives MMR = Max {[Max (Spot shock, Theta decay risk, Extreme move) + Basis risk + Vega risk + Interest rate risk + Stablecoin depegging risk], Adjusted minimum charge} mmr Initial margin requirement (IMR) 1.3 × MMR Risk factor (MR) Derivative margin calculates 7 risks (MR1-6 and MR9) by stress testing the portfolio under a specific set of market conditions of each risk unit, and then applying a minimum charge (MR7).

MSN tokens are used by network participants for engaging in governance processes, such as voting in elections and making decisions on on-chain proposals. Project name: Meson Network Total supply: 100,000,000 Official website: https://www.meson.network/ Twitter: https://twitter.com/NetworkMeson Distribution Category Ratio Jumpstart 0.80% Airdrop 2.20% Public Sales 5.00% Partners 6.00% Technical Team 15.00% Foundation reserves 20.00% Ecosystem 25.00% Investors 26.00% VI. Others 1.