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Bitcoin v30 Upgrades OP_RETURN Data Limit to 100KB: What Investors Need to Know

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Bitcoin v30 Upgrades OP_RETURN Data Limit to 100KB
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Bitcoin’s reference software just changed how much “extra” data a transaction can carry — and the community is on fire about it. Supporters say it tidies up policy and opens room for experiments. Critics say it invites spam and legal headaches.

Here’s what actually changed, why it matters, and what regular investors should watch over the next few weeks.

What OP_RETURN is — and what changed in v30

OP_RETURN is a Bitcoin script opcode that lets a transaction include metadata that doesn’t affect the coins themselves — think small notes, hashes, or app pointers. For years, Bitcoin Core’s default relay policy limited each OP_RETURN output to roughly 80 bytes and usually just one such output per transaction. With Bitcoin Core v30.0, released Oct. 11, the default cap moves to 100,000 bytes and multiple OP_RETURN outputs per transaction are now standard-relayable. The change sits firmly in “policy,” not consensus — blocks valid before are still valid now. In practice, the effective ceiling is still dictated by standard transaction weight limits and the 4 MB block weight cap. ([bitcoincore.org](https://bitcoincore.org/en/releases/30.0/?utm_source=openai))

Optech’s technical note adds two implementation details: the total OP_RETURN allowance now applies across all data-carrier outputs in a transaction, and the related configuration flags remain but are marked deprecated for eventual removal. Node operators can still set their own local relay limit via datacarriersize. ([bitcoinops.org](https://bitcoinops.org/en/newsletters/2025/06/13/?utm_source=openai))

Why this erupted: policy cleanup or a spam magnet?

To many developers, v30 simply aligns Core’s defaults with what miners and some nodes have already been relaying for years, without touching consensus rules. Their view: if someone wants to pay for block space to anchor a proof, timestamp a file, or store app metadata, miners will include it anyway as long as the fee makes sense — better to route those uses into OP_RETURN (which doesn’t bloat the UTXO set) than have users stuff data into spendable outputs or witness fields. ([bitcoincore.org](https://bitcoincore.org/en/releases/30.0/?utm_source=openai))

Others see risk, not polish. Longtime developer Luke Dashjr has labeled the update “malware,” arguing the change weakens spam controls and raises legal exposure if offensive material is embedded more openly. He’s urged a “mass migration to Knots,” his stricter policy fork of Core. ([nostr.com](https://nostr.com/nprofile1qqs0m40g76hqmwqhhc9hrk3qfxxpsp5k3k9xgk24nsjf7v305u6xffcpzemhxue69uhk2er9dchxummnw3ezumrpdejz7qghwaehxw309ahx7um5wgh8yetvv9uk2u3wwdjj7wjzrnp?utm_source=openai))

Blockstream’s Adam Back pushed back, saying shunning v30 over OP_RETURN is tantamount to “attacking Bitcoin,” since the release also ships vetted security fixes. His point: people can already hide data in scripts; filters alone don’t solve it, and rejecting hardened software creates bigger problems. ([blockchain.news](https://blockchain.news/flashnews/bitcoin-core-v30-security-fixes-adam-back-warns-against-rejecting-critical-updates-what-btc-traders-should-monitor-now?utm_source=openai))

Context: data transactions were already a big chunk of activity

Non-payment activity hasn’t been a rounding error for a while. According to recent on-chain tallies flagged by BitMEX Research, inscriptions and OP_RETURN-style transactions make up roughly 40% of transaction count, about 10% of fees, and around 28% of block weight. That mix means fees already reflect a tug-of-war between payments and data demand — v30 may change the routing but not the incentive. ([blockchain.news](https://blockchain.news/flashnews/bitcoin-btc-on-chain-update-inscriptions-and-op-return-are-40-of-transactions-28-of-block-weight-10-of-fees-sep-2025?utm_source=openai))

What this could mean for the network

Fees and block space

Expect fees to remain driven by demand spikes, not just this setting. Big data payloads will only flow if users outbid payments for space; when mempools surge, small payments will still compete on price. The change does make large data transactions easier to relay by default, which could, at times, pull more weight into blocks. But the 4 MB block weight limit never moved, and miners still pick by fee revenue per weight unit. ([bitcoincore.org](https://bitcoincore.org/en/releases/30.0/?utm_source=openai))

Storage and pruning

OP_RETURN outputs are provably unspendable. Nodes can prune spent transactions and don’t add OP_RETURN to the UTXO set, which is good for long‑term state size. That said, the raw blockchain still grows with every byte mined. Operators focused on disk usage may keep relay limits tighter than default or run pruning modes, and some will prefer Knots’ stricter filtering. ([bitcoinops.org](https://bitcoinops.org/en/newsletters/2025/06/13/?utm_source=openai))

App builders and experiments

For builders, the path of least resistance just got wider. Bigger data carriers simplify on-chain commitments for registries, timestamps, and certain NFT or metadata schemes. Whether those uses are wise or wasteful depends on fees and user appetite — but they no longer need bespoke networking workarounds to reach miners. ([bitcoincore.org](https://bitcoincore.org/en/releases/30.0/?utm_source=openai))

The political layer: a familiar split

This debate isn’t only technical; it’s cultural. One camp prioritizes Bitcoin as money first, treating most non‑payment data as spam. The other camp sees policy guardrails as leaky and prefers fee markets over filters, especially when filters push users into worse patterns (like UTXO bloat). The new defaults move the center of gravity toward fee-market enforcement, with toggles still available for node operators who want stricter local policies. ([bitcoinops.org](https://bitcoinops.org/en/newsletters/2025/06/13/?utm_source=openai))

Nick Szabo and others have floated compromises, like making newer OP_RETURN data easier to prune while keeping older entries, and BitMEX Research highlighted a concept nicknamed “OP_Return2” — a soft‑fork design where transactions commit to hashes of up to ~8 MB of external data, while full nodes don’t have to store it. The idea aims to protect integrity without swelling the chain, but whether miners would include such commits at attractive fees is an open question. ([blockchain.news](https://blockchain.news/flashnews/Bitcoin%20BTC?utm_source=openai))

Investor angle: what to watch in the next 2–4 weeks

  • Node adoption of v30: If most public nodes adopt the new defaults, large OP_RETURN transactions will propagate more easily. If adoption stays mixed, propagation could be patchy and depend on miner peering. Track release uptake and, if you run a node, set your own datacarriersize if you prefer tighter limits. ([bitcoincore.org](https://bitcoincore.org/en/releases/30.0/?utm_source=openai))
  • Miner policy and fee prints: Watch whether blocks include more high‑weight, data‑heavy transactions. If yes, fee spikes may skew toward hours when data projects push batches. That can change the best time windows to sweep wallets or open Lightning channels. ([bitcoincore.org](https://bitcoincore.org/en/releases/30.0/?utm_source=openai))
  • Mempool composition: If the share of inscriptions/OP_RETURN grows from the current baseline, that’s a tell that new defaults are being used by apps. Keep an eye on the ratio of payments vs. data during price volatility — it often hints at near‑term fee pressure. ([blockchain.news](https://blockchain.news/flashnews/bitcoin-btc-on-chain-update-inscriptions-and-op-return-are-40-of-transactions-28-of-block-weight-10-of-fees-sep-2025?utm_source=openai))
  • Security fixes vs. politics: Even critics acknowledge v30 ships fixes. If you run critical infrastructure, weigh those patches against your policy preferences; you can run v30 with a stricter datacarriersize while the ecosystem debates where to land. ([bitcoincore.org](https://bitcoincore.org/en/releases/30.0/?utm_source=openai))

Practical tips for retail users

  • Plan transactions: Batch sends when possible and target lower‑congestion windows; fee estimators that factor in package relay and current mempool mix will save you satoshis.
  • For self‑custody power users: If you run a node, decide whether to accept Core’s new default or pin datacarriersize back to 83 bytes. That choice affects what you relay — not what the global network mines. ([bitcoinops.org](https://bitcoinops.org/en/newsletters/2025/06/13/?utm_source=openai))
  • Developers and tinkerers: Bigger carriers don’t change the economics: block space is scarce and priced. Design for prunability and keep off‑chain storage in the loop where possible.

Bottom line

Bitcoin Core v30 didn’t change what’s valid on-chain; it changed what most nodes will relay by default. That’s enough to stir a real debate about Bitcoin’s purpose. For investors, the near‑term signal is simple: watch fees, mempool mix, and node adoption. If data use ramps, fees may get choppier at peak hours — a good reason to time payments and channel ops with care.

Curious to dig into the release yourself? Read the official notes and make up your own mind: Bitcoin Core v30.0 release notes. For a concise technical summary of the OP_RETURN policy tweaks, see the Bitcoin Optech newsletter. ([bitcoincore.org](https://bitcoincore.org/en/releases/30.0/?utm_source=openai))

also read:Crypto Analyst Predicts Q4 Bitcoin Rally to $180000 Amid Altcoin Surge

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Digitaps $TAP Token Sparks Interest Amid Crypto Payment App Launch

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Digitap's $TAP Token Sparks Interest Amid Crypto Payment App Launch
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Crypto is red this week, and two crowd favorites — HYPE and Cardano — have slipped again. Yet one small-cap name keeps grabbing airtime: Digitap and its $TAP token. The team says its “global money app” is live, and bold targets like “50x” are doing the rounds. Hype or substance? Let’s break down what matters for everyday investors.

Context: Risk-on altcoins are wobbling, but payments stories still sell

Microcaps with a payments angle often run harder than the market when retail interest returns. The pitch is familiar: take crypto’s speed and flexibility, add features people already recognize from banking, and make day‑to‑day spending feel normal. That’s the lane Digitap is trying to occupy, positioning itself in the PayFi niche — payments plus DeFi — with a focus on instant transfers, low fees, and a Visa card for everyday spending.

At the same time, larger caps aren’t having a great October. HYPE slipped through the $40 area, and ADA’s weekly chart has been heavy, according to recent market commentary. Some traders still point to Q4 tailwinds and a possible macro boost, but dip‑buying has been selective. In that setting, anything with a fresh product release gets extra attention.

Event: Digitap says its money app is live — here’s the pitch

According to project materials and recent coverage on CoinCentral, Digitap’s app is now live with a few headline ideas: one balance that can hold multiple assets, near‑instant transfers at low cost, and a Visa card to spend crypto like cash. The company describes itself as an “omni‑bank,” aiming to look and feel like a normal finance app while operating on crypto rails. It’s a familiar path taken by earlier players such as Crypto.com, Wirex, and exchange‑issued cards, but Digitap is leaning hard into a cleaner UX and a banking‑app vibe rather than a trading app wrapper.

The token side is where the bold calls come in. The project is running a presale for $TAP — the CoinCentral piece cites a Stage 2 price around $0.0194 with a planned step‑up to about $0.0268 in the next tranche and notes strong sell‑through so far. Supporters argue that if the app gains real users, the token could re‑rate quickly. Skeptics warn that presales often front‑load valuation and that usage needs to arrive fast for the math to hold. You can read the original report here: CoinCentral.

What matters: Adoption, licenses, and token design

1) Can people actually use the app where they live?

“Live” means different things in fintech. Sometimes it’s an MVP with waitlists and a few supported countries. Sometimes it’s a fully rolled‑out product with broad coverage. Before assigning value, check the basics: supported regions, KYC requirements, card issuer/BIN sponsor, deposit and withdrawal methods, transfer limits, and fee schedules. If the card is “global,” look for the list of excluded countries, interchange partners, and whether Apple Pay/Google Pay are enabled. Payments products sink or swim on coverage and reliability.

2) Who handles compliance and custody?

Visa on the front end is only part of the story. The heavier lift is compliance and custody behind the scenes. Look for the regulated entity (or entities) that power onboarding and card issuance, the status of money transmitter or e‑money permissions, and any named banking partners. Clear disclosures reduce the risk of sudden service pauses — something we’ve seen when programs change issuers or regulators tighten checks.

3) Token utility that goes beyond vibes

What does $TAP actually do inside the app? Common utilities include fee discounts, staking for perks, governance, or rewards. The stronger cases link token demand to real usage or revenue. Read the docs for the supply schedule, vesting, and unlocks. If a large chunk of tokens unlock soon after launch, price can get heavy regardless of product traction. A clean token design can’t guarantee performance, but it filters out a lot of weak setups.

4) Proof that users stick

Downloads are nice; monthly active users, card spending, and retention are better. If Digitap shares metrics like total payment volume (TPV), number of issued cards, or average ticket size, that’s your scoreboard. Watch for steady month‑over‑month growth rather than one‑off spikes around marketing pushes.

The market backdrop: HYPE and ADA sentiment is fragile

HYPE’s break under $40 flipped near‑term momentum, with traders eyeing $30 on further weakness and $50 on a rebound attempt. Some technicians still highlight a path to fresh highs if the broader market stabilizes, but the chart needs confirmation. Cardano slipped roughly double‑digits week over week and about one‑fifth over a month in recent readings, trading near the upper‑$0.60s. Analysts have pointed to support in the $0.68–$0.75 area and upside markers around $0.85, $0.95, and $1 if buyers step back in. If those supports fail, talk turns to the $0.50 zone. Macro still looms large this month, with traders watching central‑bank chatter and liquidity into year‑end.

Could $TAP really do 50x? Here’s a sober way to size it

Bold targets make headlines, but a simple checklist can keep expectations grounded:

  • Float vs. fully diluted value: Presales often list with small circulating supply. A low float can squeeze higher at first, then fade when unlocks arrive. Mark the vesting calendar on day one.
  • Usage that scales with revenue: If fees, spreads, or card interchange link to the token, model what a realistic MAU and TPV could look like in the first 6–12 months. Back‑solve the implied valuation per user and compare with peers.
  • Distribution and liquidity: Which exchanges will list $TAP, and when? DEX pools need depth; CEX listings bring retail flow but can be volatile at launch. Liquidity plans matter more than slogans.
  • Regulatory durability: Payments tokens live near regulated rails. Clear disclosures on issuer relationships and consumer protections reduce headline risk.
  • Security posture: Look for smart‑contract audits, bug bounties, and clear incident‑response plans. A slick app is great; secure plumbing is non‑negotiable.

How Digitap compares to earlier crypto card efforts

We’ve seen this movie. Crypto.com, Wirex, Coinbase Card, and others pushed cards that convert crypto to fiat at the point of sale. The playbook works when three pieces click at the same time: simple onboarding, wide merchant acceptance, and rewards users actually want. Where projects stumble is compliance handoffs, regional gaps, and token economics that don’t line up with real cash flows. Digitap’s edge will hinge on execution across those same points, not just branding.

Investor angle: A practical plan for anyone eyeing $TAP

1) Treat presales like high‑beta lottery tickets

Presales can produce eye‑popping returns during strong risk cycles, but they also carry higher failure rates and liquidity risk. Size positions small, assume lockups will pressure price when they expire, and be ready for sharp swings after listing.

2) Use milestones to decide, not slogans

Make a short checklist and stick to it. Examples: app available in your country; KYC works; card delivered; first on‑chain proof of rewards; public stats on TPV or MAUs; first centralized exchange listing with decent volume. If progress stalls, cut the position rather than averaging endlessly.

3) Watch HYPE and ADA for sentiment read‑through

Whether you hold them or not, these two are good tells for alt appetite right now. If HYPE reclaims $50 with volume and ADA pushes back toward $0.90–$1, the tide is turning. If they keep leaking lower, microcaps usually struggle to break out on their own.

Bottom line

Digitap is tapping into a story retail investors understand: spend crypto like cash, without friction. The app is live, the token sale is progressing, and the marketing is loud. That alone won’t justify a 50x. Real adoption, clear licensing, steady metrics, and a token that ties to usage are what will separate it from the long list of card‑plus‑token plays that faded after launch. If you’re curious, set alerts for concrete milestones, risk small, and let the data — not the slogan — make the call. For a quick primer on the current buzz around Digitap, see the overview on CoinCentral.

also read:Future of WLFI Growth Driven by Whale Accumulation and Stablecoin Expansion

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US Digital Assets Regulation Developments: Key Updates and Impact

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US Digital Assets Regulation Developments
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You are trained on data up to October 2023.

also read:European Union Implements Strict Rules Making Bitcoin Adoption More Difficult for Banks

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Future of WLFI Growth Driven by Whale Accumulation and Stablecoin Expansion

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Future of WLFI Growth Driven by Whale Accumulation and Stablecoin Expansion
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WLFI pops as whales return — and USD1’s steady growth gives it a tailwind

World Liberty Financial’s token (WLFI) just flipped the script. After tagging an all-time low near $0.072 during the market washout on Friday, October 10, 2025, the coin has more than doubled off the bottom. The rebound isn’t happening in a vacuum: large holders are accumulating, exchange balances are thinning, and the project’s USD1 stablecoin is quietly scaling.

For retail traders who watched the crash from the sidelines, this move raises a simple question: is this just a relief rally, or the start of a bigger trend supported by growing stablecoin liquidity?

Context: why stablecoin growth matters for WLFI

WLFI sits inside the World Liberty Financial ecosystem, where USD1 acts as the dollar-pegged lubricant for trading, lending, incentives, and on-chain payments. When a network’s native stablecoin supply expands, it can improve liquidity, tighten spreads, and make it easier for builders to roll out products that need predictable pricing. That often feeds back into demand for the ecosystem token — in this case, WLFI — through staking programs, fee capture, or governance participation.

So, rising USD1 usage doesn’t just look good on a dashboard. It can change how quickly capital moves through the WLFI economy.

The event: whales buy the dip, exchange balances slide

On-chain reads over the past few weeks point to renewed accumulation. Large wallets now hold roughly 18.61 million WLFI — a jump of about 57% month over month — and they added more than 400,000 tokens after Friday’s capitulation. There was even a reported $10 million buy during the worst of the drawdown, a signal that some deep-pocketed players treated the selloff as an entry, not an exit.

Meanwhile, tradable inventory on exchanges is shrinking. The WLFI balance sitting on venues has dropped from around 2.97 billion tokens in September to about 2.41 billion. When coins leave exchanges, it often indicates longer-term positioning (custody, staking, or liquidity provisioning) and reduces immediate sell pressure. That supply dynamic can amplify moves once demand shows up.

USD1 is quietly scaling — and that can be a force multiplier

Fresh stablecoin liquidity is starting to show up in the data. Dashboards tracking USD1 report a 1.79% increase in circulating supply over the past 30 days, pushing it to roughly $2.7 billion. Holder counts climbed nearly 40% to about 524,000, with monthly transactions doubling to more than 31 million and adjusted volume approaching $10 billion over the same period. Some of that growth is tied to big-ticket capital — including a reported $2 billion allocation linked to Abu Dhabi’s MGX and Binance — but the retail footprint is expanding too.

Why that matters: stablecoins are the on-ramp for new users and the grease for market-makers. More USD1 in circulation can support deeper WLFI pairs, bigger liquidity programs, and faster settlement across the project’s apps. If usage sticks, it can help make rallies more sustainable by providing buying power that isn’t as fragile as speculative leverage.

Investors who want to check these signals themselves can watch data providers like Nansen for token flows and Artemis for stablecoin activity.

What the chart is saying right now

From a short-term view, WLFI’s four-hour chart shows a rebound from $0.0718 to roughly $0.145–$0.147. Price ran into the 25-period EMA, which is acting as near-term friction. There’s also a small bull flag forming — a pattern that, if confirmed with volume, often leads to a continuation move. The token is hovering near a key Murrey pivot zone, which traders sometimes use to gauge break levels and invalidation.

Levels to watch:

  • Upside area: A clean break and hold above the $0.150 region opens room toward the $0.200 major pivot. If momentum accelerates, extension targets between $0.22–$0.24 come into play.
  • Invalidation: A decisive move back below ~$0.120 would weaken the setup and keep WLFI chopping inside the post-crash range.

What could keep the move going

1) Sustained USD1 demand

New integrations for USD1 across DEXs, lending markets, and payment rails would support durable liquidity. Rising active addresses, deeper DEX pools, and steady peg health are the tells here. If USD1 keeps adding users and venues, the WLFI ecosystem benefits from better market depth and more predictable funding for incentives.

2) Continued outflows from exchanges

Falling exchange balances signal lower immediate sell pressure. If that trend extends through October, rallies face less overhead. Pair this with whale accumulation and you get the classic recipe for a supply squeeze when bids return.

3) Clear catalysts

Tokenomics updates, fee-sharing mechanisms, or rollouts that route more activity through USD1 can pull in both traders and builders. If the team announces timelines for product releases or liquidity mining tied to USD1, it would line up well with the current on-chain posture.

Risks that could derail the bull case

  • Concentration risk: If a large chunk of USD1’s growth rests on a single capital source, any shift in that relationship could slow supply or market-making support. Watch for diversified minting, cross-exchange listings, and third-party custody footprints.
  • Peg and liquidity stress: Sudden volatility or outsize redemptions can strain stablecoin pegs. Keep an eye on USD1’s on-chain swap spreads and order book depth during risk-off moves.
  • Token supply overhang: Cliff unlocks, treasury distributions, or large OTC transfers can add sell pressure even when exchange balances look lean.
  • Regulatory headlines: Stablecoins remain in the policy spotlight in the U.S. and abroad. New rules around reserves, disclosures, or issuance could change the growth curve.

How retail can track the next leg

  • Stablecoin metrics: Circulating USD1, holder growth, and monthly active addresses. Rising usage across multiple chains is healthier than a single-chain spike.
  • Liquidity depth: DEX pool sizes for WLFI/USD1 and WLFI/USDT pairs, plus slippage on $10k–$100k test trades. Thicker books reduce whipsaws.
  • Exchange flows: Net deposits/withdrawals of WLFI to major venues. Persistent outflows often coincide with uptrends.
  • Whale cohorts: Are 100k+ WLFI wallets adding or trimming into strength? Accumulation during pullbacks tends to support higher lows.
  • Technical checkpoints: 25-EMA on the 4h, the $0.150–$0.160 pocket for confirmation, and $0.120 for risk control.

Where USD1 growth could go from here

If USD1 keeps expanding at even a low single-digit monthly pace, it reaches a scale where more centralized and decentralized venues list it by default. That can create a flywheel: better listings improve liquidity; better liquidity attracts more users; more users drive more listings. The key is organic activity — payments, remittances, DeFi usage — not just treasury mints. Watch for partnerships with payment processors, rollups, and liquid staking protocols that might denominate rewards or collateral in USD1.

For WLFI, the sweet spot is a mix of steady USD1 demand, transparent reserves, and incentives that route actual cash flows back to token holders or the protocol treasury. If those pieces align, dips tend to get bought faster and distribution phases become shallower.

Bottom line

WLFI’s bounce off the lows looks stronger because it’s backed by on-chain accumulation and a growing stablecoin base. Price action alone can fade; liquidity plus usage tends to stick. For traders, the near-term battle is around the 25-EMA and the $0.150–$0.160 area. For longer-term holders, the story hinges on USD1’s continued adoption, diversified liquidity, and clear protocol catalysts.

Keep your eyes on the data, set alerts around $0.120 and $0.200, and let the flows — not the noise — guide your next move.

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