ECOS Mining Game

🤑 What is the term for blocks mined but later discarded? 👉 Stale blocks These are blocks that were mined but did not make it into the main chain because they didn’t meet the network’s rules.

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🟠 What prevents infinite supply in Bitcoin? 👉 Halving schedule The block reward is reduced on a regular basis, so fewer and fewer new bitcoins are mined over time. This is how Bitcoin keeps inflation in check.

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👾 What is the process of compressing public keys? 👉 Key compression

Less data → less space → a more efficient network.

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🟠 What is the expiration window for a Bitcoin mempool entry? 👉 14 days

If your Bitcoin transaction gets stuck because the fee is too low – don’t worry. After 14 days, it will simply be dropped from the mempool!

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❤️ What is the name of Bitcoin’s block timestamp rule? 👉 Median Time Past

This rule uses the median time of previous blocks to keep timestamps fair and manipulation-resistant.

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🫶 What protocol helps speed up mining pool communication? 👉 Stratum This protocol simplifies and speeds up communication between miners and the pool. Less latency – more stable mining ⚡️

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🟠 What does a full node check before accepting a block? 👉 Validity of all transactions A full node doesn’t take anyone’s word for it. 🫶 Before accepting a block, it verifies that every transaction inside is valid and follows the network rules 🔍

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🟠 What is the technique miners use to reduce stale blocks? 👉 Low-latency propagation Speed matters! The faster a block spreads across the network, the lower the chance it becomes stale.

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🫶 What is the default block relay protocol used today? 👉Compact blocks The idea is simple: blocks are shared faster and with less data. Less traffic – more speed!

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👀 What is the economic term describing Bitcoin’s predictable issuance? Programmatic monetary policy is the economic term that describes Bitcoin’s predictable and pre-defined issuance. The rules for issuing new bitcoins are embedded directly in the protocol code and cannot be changed by individual decisions or political influence. 🟠 Bitcoin’s supply is strictly capped at 21 million coins, and the rate of new BTC issuance decreases after each halving. Because of this, Bitcoin is not subject to arbitrary inflation and differs from traditional fiat currencies with centrally managed monetary policies. 📈 Programmatic monetary policy makes Bitcoin a transparent, predictable, and resilient asset, with the same rules applying to all network participants. Combo Code: 111777 Question of the Day: Programmatic monetary policy ❤️ ECOSMiningGamebot

🔎 What number identifies the protocol version in blocks? The Version field is a 4-byte numerical field in the Bitcoin block header that indicates which version of the protocol rules a miner used when creating a block. This field helps network nodes correctly interpret the block and apply the appropriate validation rules. 🫶 The version field is especially important during network upgrades, when miners signal support for soft forks such as SegWit or Taproot. Only when a sufficient number of blocks signal support for a new rule can the upgrade be activated without breaking consensus. 🟠 In this way, the version field acts as a coordination mechanism between network participants and allows Bitcoin to evolve while preserving compatibility and decentralization. Combo Code: 040700 Question of the Day: Version field ❤️ ECOSMiningGamebot

🤓 What prevents transactions from being spent twice? In the Bitcoin network, transactions cannot be spent twice thanks to consensus rules. This mechanism solves the problem where the same funds could otherwise be used in two or more transactions. 🟠 Consensus rules prevent double spending in Bitcoin. These are the rules that define which transactions and blocks are considered valid and ensure a single, consistent state of the blockchain for all network participants. Each full node verifies that the inputs of a transaction have not been used before. If someone attempts to spend the same bitcoins twice, such a transaction is rejected by network nodes and will not be included in a block. ☝️It is these strict consensus rules that allow Bitcoin to operate without a central authority and guarantee the fairness and security of all transactions. Combo Code: 000777 Question of the Day: Consensus rules ❤️ ECOSMiningGamebot

🤑 What metadata stores the number of transactions in a block? When a new block is created, it always contains a list of transactions that have been verified by the network and included in the block. This information is stored in the Transaction count field. 👾 This field is written in the block structure — at the beginning of the block. The block header contains important information about the block, including the previous block hash, timestamp, and nonce. The size of the transaction count field is usually 1 or 3 bytes, depending on the number of transactions in the block. 📈 The number of transactions in a block helps estimate network load, throughput, and user activity at a given moment. Combo Code: 159357 Question of the Day: Transaction count ❤️ ECOSMiningGamebot

🫶 What is the term for verifying blocks without trusting miners? The process of verifying blocks and transactions without trusting miners is called full node validation. Its core idea is that a full node independently enforces all Bitcoin protocol rules, including transaction validity, signatures, block size limits, coin issuance, and consensus rules. 🟠 Thanks to full node validation, users do not rely on third parties and can be confident that they accept only valid blocks that comply with the network’s rules. This mechanism is what makes Bitcoin a truly decentralized and censorship-resistant system. Combo Code: 120596 Question of the Day: Full node validation ❤️ ECOSMiningGamebot

👾 What upgrade activated CHECKTEMPLATEVERIFY? CHECKTEMPLATEVERIFY (CTV) is a proposed Bitcoin opcode defined in Bitcoin Improvement Proposal 119 (BIP-119). It aims to expand Bitcoin’s scripting capabilities by allowing users to predefine the structure of future transactions. 🟠 If activated, CHECKTEMPLATEVERIFY would enable advanced Bitcoin use cases such as safer covenants, improved payment pools, fee optimization, and new smart-contract-like constructions — all without changing Bitcoin’s core security model. ☝️Although BIP-119 has been discussed in the Bitcoin community for years, it has not been activated and remains part of the ongoing debate around Bitcoin’s scalability and programmability. Combo Code: 753159 Question of the Day: BIP-119 (proposal) ❤️ ECOSMiningGamebot

🫶 ECOS BTC Mining Game is now in the Telegram Apps Center! Great news! With the support of Telegram and TON, our ECOS BTC Mining Game has been featured in the Telegram Apps Center. ❄️ This is an important milestone for the project – now even more users can discover the game directly inside Telegram and start their journey into the world of Bitcoin mining. Right now, we really need your support. Please UpVote our game – this will help it rank higher in the catalog and attract new players. How to vote: 1️⃣ Go to the Telegram Apps Center using this link 2️⃣ Open the game from the catalog 3️⃣ After launching the game, the voting button will become available Thank you to everyone who supports ECOS GAME! 🚀 Let’s keep moving forward together. ❤️ ECOSMiningGamebot

🪙 What is the name of the RBF rule allowing fee replacement? In the Bitcoin network, there is a feature that allows an unconfirmed transaction to be replaced with a new version that includes a higher fee. This feature is called Replace-by-Fee (RBF) and is used when a transaction gets stuck in the mempool due to a fee that is too low. 🫶 With RBF, a user can resend the same transaction with an increased fee to incentivize miners to include it in a block faster. The original transaction is then replaced in the mempool by the new one. 🟠 Replace-by-Fee makes working with Bitcoin more convenient, especially during periods of high network congestion. Combo Code: 951951 Question of the Day: Replace-by-fee ❤️ ECOSMiningGamebot

🎁 Our ECOS Zealy Giveaway Has Ended! The Hash Hunter Tickets giveaway on Zealy has officially come to an end, and we’d like to thank everyone for taking part and staying active! 🎊 Winners (Zealy usernames): Alexa8 Awanbrotherss JhnM Favo_r ibrahim492 🎟 Each winner will receive 15 Hash Hunter Tickets in the ECOS BTC Mining Game. 📨 Please send us your Telegram username so we can correctly credit your rewards in the game. You can contact us on X (Twitter) at https://x.com/ecosmining using the same accounts you registered with on Zealy and share your TG usernames there. 🤝Thank you to everyone who participated! More contests, challenges, and rewards are coming – stay tuned!

🧐 What vulnerability caused early Bitcoin clients to fork? The value overflow bug was a vulnerability in early Bitcoin clients that could create transactions with negative or excessively large amounts. 👏 In 2010, this bug caused a temporary network fork: an invalid transaction allowed nearly 92 billion bitcoins to be created, far exceeding the 21 million cap. The error was quickly fixed, and the network rolled back to the correct state. ☝️ This incident became an important lesson for developers, highlighting the need for strict transaction validation and thorough testing of new client versions. Combo Code: 159159 Question of the Day: Value overflow bug ❤️ ECOSMiningGamebot

🤓 What format are Bitcoin private keys commonly encoded in? WIF (Wallet Import Format) is the standard format used to encode Bitcoin private keys. It allows users to easily import and export private keys between different wallets. 🟠 WIF is a human-readable, Base58Check-encoded string that includes a checksum to reduce input errors. Depending on the key type, a WIF private key can start with 5 (uncompressed) or K / L (compressed), which is the most common format in modern wallets. 👏 Using WIF improves compatibility across Bitcoin clients and minimizes the risk of mistakes when handling private keys. Combo Code: 258258 Question of the Day: WIF (Wallet Import Format) ❤️ ECOSBTCMiningGame