bitcoindefi

，这篇纯给链上安全/桥接技术宅的。凌晨3点，我用Anvil fork Plasma主网最新块（fork-block-number latest），部署pBTC桥合约，完整跑了一次BTC锁定→pBTC铸造→DeFi抵押→赎回流程。@plasma.

测试结果：
- 赎回gas实测比文档低15%（我加了gas profiler对比）
- 赎回延迟38分钟（Watcher监控+多签确认+MPC签名，配置可调）
- 无双花、无无效释放，ZK-SNARK证明确保UTXO唯一性
- 清算机制：Ethena delta-neutral hedging（USDe对冲）+自动再平衡，$XPL staking提供额外缓冲池

核心机制拆解：
1. BTC锁定：主网用OP_CHECKSIGVERIFY + OP_CHECKLOCKTIMEVERIFY脚本，锁定到8/15阈值多签地址。Watcher节点（去中心化）监控确认后触发跨链消息。
2. pBTC铸造：Plasma侧阈值签名验证锁定，ZK-SNARK生成证明（防双花），1:1铸造pBTC。
3. DeFi使用：pBTC进Aave V4 fork、Euler、Morpho等池子，抵押率最高75%。
4. 赎回：烧毁pBTC → MPC签名 → BTC主网多签释放。

代码质量服气：Rust+Zig混合，pBTC模块unsafe优化内存+rayon并行，注释密度高，每行gas优化都有说明。Certik+PeckShield双审计，零高危，中危全修。TVL中BTC锚定资产占比35%+（深度1.8B+），稳定币供应2.1B+，DeFi伙伴100+家（Aave、Ethena、Euler、Morpho、Pendle等），链上交易量真实增长。

$XPL 价值在这里最清晰：复杂跨链/清算操作的$XPL 消耗直接burn+回购+staking奖励，网络使用越多，通缩越强。$XPL 当前0.12-0.13震荡，解锁消化中，staking/burn已启动，价值锚定转向“桥接使用税”。Binance CreatorPad 3,500,000 XPL奖励池还在，我发技术帖攒积分，像Alpha积分硬核续集。

如果你也是技术宅，敢不敢clone Plasma monorepo，fork主网测pBTC赎回？

本地桥赎回硬核挑战
1. git clone Plasma monorepo + Anvil/Hardhat fork主网
2. 部署pBTC桥合约，跑完整锁定→铸造→赎回
3. 记录gas消耗、延迟、任何风险/优化点
4. 截图Anvil日志/合约交互 + 写你的发现/建议
5. 评论区@Plasma安全团队 + 贴结果

我帮前5最严谨/最有洞见/最发现问题的@官方求彩蛋（置顶+bug bounty或co-audit可能）。评论区变“链上安全实验室”——谁测得最深，谁发现最关键，谁的建议最戳团队？晒出来。基础设施安全，是代码一行行测出来的。$XPL @Plasma #Plasma #BitcoinDeFi #ZKBridge

$HEMI

The infrastructure token HEMI has been steadily making headlines, backed by its unique vision to merge the security of Bitcoin with the programmability of Ethereum. Recently, Hemi Labs secured a $15 million funding round led by YZi Labs (formerly Binance Labs) and other major investors, signalling strong confidence in its roadmap. CoinDesk+3Hemi+3AInvest+3


At the same time, HEMI’s token launch and listing have triggered significant market activity. On September 23, 2025, HEMI became part of the Binance HODLer Airdrop program—100 million HEMI tokens (≈1% of its total supply) were allocated to BNB holders. CryptoNinjas The listing saw HEMI achieve rapid upside, with one analysis recording a near 500% price surge post-listing, before a correction followed. CCN.com+1


From a technical perspective, this price action indicates strong initial demand, but also introduces typical risks linked to post-airdrop unlocks and profit-taking. Current pricing data show HEMI trading around the $0.05–0.06 range with a circulating supply near ~977 million tokens. CoinMarketCap+1


What to Watch / Support Levels:




Short-term support appears to be forming around the $0.045–$0.050 zone, where recent on-chain inflows and trading volumes suggest accumulation interest.




Resistance is near the prior all-time high of ~$0.12, which the token hit during its initial surge. A breakout above this level—ideally supported by volume—could trigger a new leg up.




A stronger bullish case would require confirmation in ecosystem metrics: increased TVL on HEMI-powered chains, developer deployments, partnerships, and staking participation.




On the risk side, monitor the token unlock schedule (large allocations to team or investors could increase near-term sell-pressure) and competition in the modular “bitcoin + EVM” space.




Future Outlook:

Looking ahead, HEMI’s value proposition lies in its ability to deliver infrastructure—not just hype. Its roadmap indicates upcoming modules like the hVM (Hemi Virtual Machine), PoP consensus (Proof-of-Proof) anchored to Bitcoin, and cross-chain “Tunnels” enabling asset transfers between Bitcoin → HEMI → Ethereum. CoinMarketCap+1 If HEMI can capture even a modest portion of the emerging bitcoin-DeFi stack and secure meaningful developer activity, the token could move beyond speculative trading to utility-driven valuation.


From a medium to long-term standpoint, a scenario where HEMI re-tests $0.12–$0.15 (or higher) is plausible—if adoption metrics and ecosystem growth align. For holders and prospective investors, the key is timing: entering near support, sizing exposure carefully, and keeping an eye on catalyst events (e.g., exchange listings, major partner integrations, staking upgrades).


Conclusion:

HEMI stands at an interesting inflexion: it has the institutional backing, unique architecture, and listing momentum. But the transition from “promising project” to “production infrastructure” is what will decide its sustained value. If you’re looking to participate, focus beyond price and ask: Are builders using HEMI? Is liquidity deepening? Are token incentives aligned with usage? If yes — this could be one of the high-conviction infrastructure plays of 2025.


#HEMI #BitcoinDeFi #ModularBlockchain #CryptoInfrastructure #TokenUtility

正文：
看着L2战争打得火热，心里却一直有个疑问：比特币这个“数字黄金”，在DeFi里难道就只能永远当个躺在保险库里的抵押物吗？
直到我把Hemi的架构和几个核心应用demo跑通，才恍然大悟。我们之前用各种方式“包装”比特币，其实都是在隔靴搔痒。Hemi提供的，是直接触碰比特币本身状态的权限。
这感觉，就像你之前只能通过博物馆的玻璃罩看一把名剑，现在Hemi让你能亲手握住剑柄。
举个例子：
我们都在赌“减半叙事”，但以前的玩法多间接？炒期货、买相关代币。现在，我可以基于Hemi写一个真正的“减半对冲合约”。当区块高度达到某个值时，合约自动执行一套复杂的衍生品清算或收益分配逻辑。规则写在链上，触发源于比特币核心，全程无需预言机这个“中间商”。 这才是比特币原生的金融产品。
对我而言，Hemi最颠覆的三重意义在于：
1. 比特币成了一台“状态计算机”：以前比特币只有最终状态，过程是“黑盒”。现在，通过hVM，它的每一次状态变化（区块、交易）都能成为触发智能合约世界的输入。这不是把BTC跨过来，而是把整个比特币链变成了一个可读的、全局的、最可信的时钟和事件触发器。
2. DeFi 获得了最坚实的信任根基：在那么多L2和Alt-L1之间做选择，本质是在权衡不同的安全假设。而Hemi的答案很纯粹：最终由比特币算力守护。跟你用户讲“你的资产安全由比特币网络保护”，比解释一群我没听说过的验证节点要硬气一万倍。这是降维打击。
3. “比特神教”和“以太坊帝国”的握手言和：Tunnels让两大顶级资产终于可以在一个拥有比特币级安全背书，同时又具备图灵完备能力的 playground 里共存。想象一下，用你沉睡的BTC，在不离开比特币安全护城河的情况下，去参与一个充满创新的ETH DeFi生态。这打开的流动性想象空间是恐怖的。
当然，早期阶段，摩擦成本确实存在。但关键是方向。它第一次让“基于比特币状态构建复杂金融应用”从一个哲学构想，变成了可编程的现实。
所以，别再把Hemi看作又一个资产桥了。它的野心是成为比特币的金融层。我建议每个对比特币生态和DeFi未来有想法的人，都去亲自体验一下测试网。看看当比特币本身“活”过来，能与你的合约直接对话时，能碰撞出什么新想法。
第一批基于此构建的协议，很可能定义下一个周期“比特币Fi”的形态。
我得回去了，刚才那个基于UTXO年龄的生息方案，好像有头绪了。
@Hemi #Hemi $HEMI #BitcoinDeFi #BTCFi

Lumea DeFi, plină de volatilitate, oferă noi oportunități pentru deținătorii de Bitcoin pe termen lung. Conform unui raport de la Binance, Bitcoin ar putea deveni mai "productiv" dacă este utilizat în protocoalele DeFi, deblocând miliarde de dolari în lichiditate care sunt blocate în portofelele HODLer-ilor. Dar este DeFi cu adevărat sigur pentru Bitcoin?

Bitcoin Este "Pierdut" Din Cauza Neutilizării?

Conform raportului Binance publicat joi, doar 0.79% din totalul Bitcoin-ului este în prezent utilizat în DeFi. Între timp, majoritatea BTC-ului este păstrat ca un activ de rezervă pe termen lung, în special după ce fondurile #ETFbitcoin spot au fost aprobate în SUA anul trecut.