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Polygon CTO Vs. Zcash: Clash Erupts Over 21 Million Coin IntegrityAn exchange on X between Polygon’s CTO Mudit Gupta and Zcash founder Zooko Wilcox reignited a long-simmering debate over whether privacy-preserving shielded pools can be perfectly audited — and, by extension, whether ZEC’s 21 million cap can be trusted under all conceivable failure modes. The dispute hinged on a familiar fault line in privacy-coin design: zero-knowledge protocols can obfuscate individual balances and flows, but they still must preserve a hard monetary base. Polygon CTO Attacks Zcash Gupta opened with a stark framing: “Nobody knows how many Zcash tokens actually exist. Shielded assets like Zcash are hard to audit. In March 2019, an infinite mint bug was detected in Zcash shielded assets. It was fixed in October 2019 but there is no guaranteed way to tell if the bug was ever exploited.” Nobody knows how many zcash tokens actually exist. Shielded assets like zcash are hard to audit. In March 2019, an infinite mint bug was detected in zcash shielded assets. It was fixed in October 2019 but there is no guaranteed way to tell if the bug was ever exploited. — Mudit Gupta (@Mudit__Gupta) October 26, 2025 He later softened the immediate risk assessment — “Based on heuristic, it’s unlikely the bug was exploited so no reason to panic” — while stressing what he called an enduring category risk: “I’m just highlighting an attack vector with Zcash and similar privacy pools… I’m not claiming any bug was exploited, just mentioning the possibility and risk.” Wilcox pushed back, calling the initial post “not accurate,” and pointed Gupta to “publicly-verifiable on-chain audits” that track the monetary base. “They show the integrity of the Zcash monetary base. A straightforward game-theoretic analysis further shows zero counterfeiting,” he wrote, linking to community dashboards and documentation. In a follow-on, Wilcox encapsulated the ZEC position with a thought experiment about the legacy Sprout pool: “Suppose someone counterfeited ZEC in the Sprout pool before October 28, 2018. Then there is a ‘race to the exits’ between the counterfeiter and his victims. Whoever moves their ZEC out of the Sprout pool first gets to keep all the money. Conclusion: there was no counterfeiting.” He added that “even if there was counterfeiting… there would still be only 16,355,911 ZEC in existence, and still only 21 M ever. Thanks, turnstiles!” Stripped to its essentials, the technical disagreement is less about Zcash’s intended monetary policy and more about the edge-case guarantees when privacy meets auditability. Zcash’s published economics mirror Bitcoin’s: a fixed 21 million upper bound and a halving-style issuance schedule. That cap is unambiguous in official materials. The Backstory The controversy traces back to the counterfeiting vulnerability affecting ZEC’s earliest shielded pool, Sprout. According to the Electric Coin Company (ECC) and the Zcash Foundation, the flaw was discovered privately in 2018 and publicly disclosed on February 5, 2019; critically, the Sapling upgrade that activated on October 28, 2018 removed the vulnerable construction, and Zcash introduced “turnstile” accounting to constrain exits from shielded pools to, at most, the amount verifiably entered. ECC reported at disclosure that it had seen “no evidence that counterfeiting has occurred,” a stance it has reiterated, and it described turnstile enforcement as a defense to preserve the monetary base even under hypothetical counterfeiting. This is the heart of Wilcox’s argument. Because ZEC can only enter or leave a shielded pool via transfers that reveal values at the boundary, the chain can compute an expected pool balance. If more value tries to exit than has ever entered, the discrepancy becomes observable at the turnstile. The “race to the exits” intuition — while informal — captures the idea that any attacker who minted bogus ZEC inside Sprout would be competing against legitimate holders to withdraw before the turnstile constraint bites; absent an unexplained drain to zero or a negative reconciliation, long-lived counterfeiting is inconsistent with observed pool totals. Zcash’s documentation describes these value-pool turnstiles and their role in monitoring pool integrity, and community discussions dating back years have treated them as the canonical mitigation. Gupta’s rejoinder is about epistemic certainty, not policy intent. “Perhaps I should have been clearer,” he wrote. “Due to [the] possibility of bugs, there’s no guarantee that the shielded pools have the same amount of Zcash circulating inside them as transparent Zcash that went in. Therefore, you can’t be 100% sure of the actual total supply… [though] the likelihood of a bug like this being exploited is essentially 0.” At press time, ZEC traded at $325.
Zcash’s social hype isn’t fading, but ZEC’s price is – Why?Is ZEC's momentum fading, or is this just a pause from a bullish continuation?
Double-Digit Price Surges From These Altcoins as BTC Slides Toward CME Gap: Market WatchBitcoin’s price ascent from Sunday and Monday was stopped at $116,000, and the asset slid below $114,000 on its way toward a CME gap formed during the weekend. Several altcoins have produced impressive gains over the past 24 hours, including FIGR_HELOC, HBAR, TRUMP, TAO, and PUMP. BTC Slips From Local Peak The primary cryptocurrency went on the offensive at the beginning of the previous business week as well, surging from $108,000 to $114,000 only to be stopped and drive south hard, sliding to a multi-day low of just over $106,000. The bulls stepped up after this massive correction and drove BTC up to $111,000 by the end of the week when the US CPI numbers came out. At first, bitcoin jumped to $112,000 after the fears of growing inflation eased, but then it suddenly dropped below $110,000. Still, it recovered some ground during the weekend and initiated another leg up on Sunday after US Secretary Bessent said Washington is close to striking a trade deal with Beijing. BTC broke past $112,000 and $113,000 on Sunday. It climbed further on Monday, surging past $116,000 for the first time since the October 10 crash. However, it was stopped there and pushed south to $113,500 earlier today, which is the upper boundary of the CME gap that formed during the weekend. #BTC – NEW CME GAP ( $112,400 – $113,500): pic.twitter.com/Q5rnRveU1B — EGRAG CRYPTO (@egragcrypto) October 27, 2025 Alts With Big Gains Most larger-cap altcoins are slightly in the red on a daily scale after yesterday’s gains. ETH, BNB, DOGE, SOL, ADA, TRX, LINK, and BCH are with minor losses, while XRP, HYPE, and XLM have marked insignificant increases. In contrast, HBAR has skyrocketed by 14% daily after positive news on the US EFT front. TAO is the other double-digit gainer from the larger-cap alts, while ZEC has plunged by 8% daily. More impressive increases come from the likes of FIGR_HELOC, which has rocketed by almost 40%, TRUMP, which has soared by 12%, and PUMP, which is up by 10%. The total crypto market cap has lost around $50 billion since yesterday’s peak and is down to $3.950 trillion on CG. Cryptocurrency Market Overview. Source: QuantifyCrypto The post Double-Digit Price Surges From These Altcoins as BTC Slides Toward CME Gap: Market Watch appeared first on CryptoPotato.
Morning Crypto Report: $1 Billion XRP Secured, Litecoin Price Spikes Ahead of ETF Launch, Zcash (ZEC) Overbought: WarningThe Tuesday trading session on the crypto market is headlined by Ripple-backed Evernorth crossing $1 billion in XRP, the Litecoin price spiking before its ETF debut and Zcash showing overheated retail signals one should not ignore.
ZEC ‘Bubble’ Bigger Than 2021, CryptoQuant Data ShowsZcash (ZEC) is signaling a bubble phase, with current trade volume exceeding 2021 highs, CryptoQuant reports. The analyst warns new retail buyers may face a sharp correction. The post ZEC ‘Bubble’ Bigger Than 2021, CryptoQuant Data Shows appeared first...
Crypto News Today, October 28: Crypto Is Back! Solana ETF Hours Away as Bitcoin and Ethereum Price SlipToday, the crypto market feels a déjà vu as the markets are getting some excitement again with so much bullish news. However, not every coin is smiling as Solana ETF launch is stealing the news spotlight. All while Bitcoin and Ethereum price look slightly shaky after an energetic week. This early Monday data puts Bitcoin price near $113,800, down 1.5% on the day. Ethereum follows with a 3.5% drop in price to $4,080. Solana, although experiencing the same drop, is taking all the attention. The upcoming Solana ETF from Bitwise is everywhere in most major crypto news today. With the current crypto drop, the total crypto market cap is now creeping just below $4 trillion, a good figure despite the current drop. (source – CoinGecko) According to DeFiLlama, total value locked in DeFi dropped just under 1% today, but rose this week, proof that money is quietly flowing back into riskier plays like crypto. Crypto news today gives the sense that investors are finally shaking off the summer slump. DISCOVER: 9+ Best Memecoin to Buy in 2025 Solana ETF News to Push The Crypto Market Forward, Starting Today The Solana ETF (trading under the ticker BSOL) is set to go live on the NYSE, offering investors full spot exposure plus roughly 7% staking rewards. This is a big deal as staking locks up more tokens, Solana price gains a natural boost. BREAKING: @NYSE Arca has certified the listing and registration of the @BitwiseInvest Solana Staking ETF pic.twitter.com/yQxhBis2LA — Solana (@solana) October 27, 2025 Right now, data shows more than $11 billion locked across Solana’s DeFi ecosystem, a good figure considering the last cycle’s FTX crash. Analysts are eyeing the $205 resistance zone as the next big test for Solana price once the ETF goes live. Grayscale’s plan to convert its Solana fund tomorrow only adds to the excitement. Market Cap 24h 7d 30d 1y All Time DISCOVER: 10+ Next Crypto to 100X In 2025 Bitcoin and Ethereum Price Slowing Down, For Now Meanwhile, the Bitcoin price is hanging around under the $114,000 mark. Stable and uninspiring, especially with more than $400 million in new inflows last week. Ethereum isn’t faring much better, seeing steady outflows, but the price is still staying under $4,500. However, even with those numbers, both networks are showing healthy onchain activity. Market Cap 24h 7d 30d 1y All Time Whales are still adding positions, with about 2.4 million BTC are now in reserves. Solana price is yet to outperform, even with the Solana ETF momentum. Gold cools down for the rest of the year Bitcoin goes up for the rest of the year capital rotation goldilocks period for risk assets believe in something pic.twitter.com/UhaL6yK0aj — RookieXBT (@RookieXBT) October 27, 2025 Going into the mid-week, analysts expect the Bitcoin price and Ethereum price to consolidate, while Solana could add to its gains. Crypto news today ends on a hopeful note with the altcoin comeback that might be real this time. DISCOVER: Best Meme Coin ICOs to Invest in 2025 Join The 99Bitcoins News Discord Here For The Latest Market Updates 13 hours ago Avalanche Partners With $2T Japanese Payment Processor: AVAX Price Rally Ahead? By Akiyama Felix Japan’s TIS, one of the country’s largest payment infrastructure providers, which processes $2T annually, is launching a blockchain-based platform in partnership with Ava Labs, the team behind AVAX. The Avalanche community hopes that such a large-scale partnership will boost the AVAX price, though the token is down 1% over the past 24 hours. This initiative from TIS responds to the growing demand from financial institutions in Japan to transfer money and assets on-chain, in an attempt to catch up with the likes of the US and the UAE. This is a big deal. The company that powers ~50% of Japan’s credit card payments, TIS, just deployed on Avalanche: pic.twitter.com/kyTFSKoYdo — Avalanche (@avax) October 28, 2025 Read the full story here. 20 hours ago HBAR and ZEC Pumping, COAI Crypto Dumping: What’s Next? By Akiyama Felix It has been one of those crazy days in crypto again. HBAR crypto suddenly popped over 17%, jumping past twenty cents after a strong week. At the same time, ZEC crypto managed another solid move upward, dropping 6% today, but managing to record a 30% gain in the last 7days as privacy coins started getting attention again. And then, COAI crypto dropped more than 30% after a crazy 100X run. Today’s question is: can HBAR and ZEC keep the fire going, or will COAI bounce back as the AI crypto sector gains momentum? "AI Crypto Season is about to go parabolic" My brother in Christ I have a message for you pic.twitter.com/zJ2nNlNuzr — Clemente (@Chilearmy123) October 27, 2025 Read the original article here. 22 hours ago Trump Heads to Japan, as Justin Sun and Pavel Durov Hit Dubai: Best Crypto to Buy Now Before FOMC? By Akiyama Felix With markets heating up ahead of the next FOMC meeting, investors are searching for the best crypto to buy now as world leaders and tech moguls realign their strategies on a global stage. U.S. President Donald Trump’s visit to Japan (and simultaneous appearances by Justin Sun and Pavel Durov in Dubai) have set the stage for a pivotal week in both geopolitics and crypto. Could this convergence of diplomacy and digital finance signal the next leg of the bull run? And which projects are set to benefit before the next rate decision shakes markets again? Market Cap 24h 7d 30d 1y All Time Read the full story here. 22 hours ago What is Althea Crypto? ALTHEA Price Skyrockets +1000% – Is Althea The Answer to Starlink Monopoly? By Akiyama Felix Althea crypto is rapidly gaining attention in the DeFi and telecom spaces, as its native token is seeing significant upside amid the renewed interest of altcoin season and FOMO-driven narratives. With the ALTHEA price reportedly climbing by over 190% in the past seven days, the project is positioning itself as a decentralized alternative to traditional internet infrastructure, challenging the dominance of players such as Starlink. But what exactly underpins this surge, and can Althea truly disrupt conventional telecom models? (Source – Coingecko) Read the full story here. The post Crypto News Today, October 28: Crypto Is Back! Solana ETF Hours Away as Bitcoin and Ethereum Price Slip appeared first on 99Bitcoins.
TRUMP PARDONS CZ, BTC BACK OVER $110K, A16Z’s STATE OF CRYPTO 2025Crypto majors are green and rebounding. BTC is up 1% at $110,800, ETH is up 2% at $3,940, BNB is up 2% at $1,120, and SOL is up 1% at $191. MYX (+14%), VIRTUAL (+13%), ZEC (+11%), and WLFI (+11%) led the top movers. Stocks and crypto flipped green yesterday ahead of the October 30th meeting between Trump and Xi in South Korea. JPMorgan announced plans to allow institutional clients to use Bitcoin and ETH as collateral for loans. Trump pardoned Binance founder Changpeng “CZ” Zhao. An alleged “Trump insider” whale closed a $200 million Bitcoin short and booked fresh profits, bringing its lifetime total to over $100 million on Hyperliquid. Revolut won a MiCA license in Cyprus and hinted that a stablecoin could be next. Ledger introduced its new Nano Gen 5 wallet, featuring a redesign from Apple designer Susan Kare. Trezor launched the “quantum-ready” Safe 7 hardware wallet.
Crypto chop continues, Gold drops, DraftKings buys prediction marketCrypto chop continues, tariff headlines dominate. ZEC breaks $300 before falling, leads altcoins. Waller signs Fed’s shift towards embracing crypto. ETH Foundation moves $654m ETH. BlackRock trying to pull in BTC whales to its ETFs. HK approves first SOL ETF. SOL ends support for Saga mobile phone. Galaxy profit jumps 1500% in record quarter. Bealls now accepting crypto payments. Aave outstanding loans hit $25b, to integrate Maple. Groups urge Trump to defend CFPB’s banking rule. Asian exchanges intensify scrutiny of DATs. Kadena winds down ops, KDA drops 60%.
CRYPTO BOUNCES BACK, ALTCOINS BELOW FTX LEVELS, CPI THIS WEEKCrypto Bounces After Hitting Extreme Fear Sentiment. Spot Btc Etf Suffer Ath Weekly Outflows. Revived Btc Supply Hits Highest Since January. Tough to Be Bullish With Btc Below $112k: Ansem. Top 50 Altcoins Below Level After Ftx Crash. Bitmine Has Bought $1.5b Eth Since Crash. New $1b Eth Dat Incoming. Kang Liquidated on Long Ena, Short Eth & Btc Trade. Tao & Zec Lead Bounce in Altcoins. Us 10yrs Behind on Crypto, Fixing is Job One: Atkins. Crypto Execs to Meet Senate Dems on Crypto Bill. Crypto Miners Riding Ai Wave Outperforming Btc. Hayes to Raise $250m for New Pe Fund. Stripe’s Tempo Raises $500m at $5b Valuation. Dankrad Leaves Eth Foundation for Tempo. Tether Open Sources Wallet Kit. Japan’s Fsa Could Allow Banks to Hold Crypto. Japan’s Big Banks Join Forces on Stablecoins. Uk Sends 65k Letters to Crypto Tax Evaders. Uk to Finalise Stablecoin Rules by End-2026. Ant Group, Jd Com Halt Stablecoin Plans in Hk.
BTC ALMOST $120K, CRYPTO IS GREEN, PNKSTR JUMPS 50% TO $140MCrypto majors see more green; Bitcoin at $118,800. ZCash continues to lead, soaring 50% to $140. US government shutdown pauses ETF approvals. Lighter leaves private beta, opens Perps platform to public. Polymarket eyes US return as soon as today. PNKSTR jumps 50% to $140M as other NFT Strategies boom. Crypto majors are green again continuing the shutdown rally; BTC +2% at $118,800, ETH +2% at $4,380, XRP +1% at $2.99, SOL +4% at $225. ZEC (+50%), DEXE (+30%) and SPX (+17%) led top movers. Zcash rocketed ~63% to a three-year high, as traders (and Naval) pitch privacy coin as “insurance” hedge during Bitcoin strength. BTC ETFs saw another $675.8M in net inflows, now over $1.6B on the week so far. MSTR stock jumped 5% yesterday after Strategy avoided a multi-billion AMT (tax) hit after new IRS/Treasury guidance, easing concerns over taxes on unrealized gains tied to its Bitcoin holdings. Polymarket is poised to relaunch for U.S. users within days, as filings show self-certified contracts after acquiring a CFTC-licensed venue. Circle introduced a new tokenized US Treasury fund USYC on Solana. The UK government seeks to keep most of $7B in Bitcoin it just seized linked to massive Chinese fraud. The White House withdrew Brian Quintenz for CFTC chair, reopening leadership questions at the derivatives regulator amid active crypto agenda. New York is running a pilot to give low income residents $12,000 in USDC to help alleviate poverty, with funding provided by Coinbase. VisionSys AI is partnering with Marinade Finance to launch a SOL TreasuryCo, aiming to acquire $500M in SOL over the next 6 months (and stake it) with larger goals to accumulate up to $2B. The US government shut down has halted the ETF approval process, diminishing hopes of any early October approvals (i.e. for SOL.
