On-chain Weekly Digest: Coinbase buys Cobie’s Up Only NFT for $25 million, unlocking potential for new episodes
Polymarket launches up/down equity markets letting users bet on stock prices; OpenSea sets SEA token launch for Q1 2026, with 50% of revenue earmarked for buybacks...
On-Chain Overview
While market volumes and prices faced short-term pullbacks, emerging narratives around meme coins, NFT-linked ecosystems, and AI trading innovations are gaining momentum, suggesting fresh areas of opportunity amid a dynamic macro landscape.
Crypto market contracted this week, with total market cap down 5.66% to $3.67T, DEX volume plunging 17.95% to $146.24B, and Ethereum remaining the top DEX chain despite a 5.86% drop, while Aerodrome’s revenue slumped 29.6% to $3.52M.
（Data accurate as of: 20 Oct, 2025, 5:00 am, UTC）
Altcoin, Meme coin, NFT and RWA
Altcoin market cap fell 4.67% to $1.02T, with meme coins down 5.81% and their weekly volume plunging nearly 25%, while NFT volume halved and tokenized RWA was the only gainer, rising 1.27%.
（Data accurate as of: 20 Oct, 2025, 3:00 am, UTC）
Macro, Stocks & Commodities
Gold surged +6.3% amid rising volatility (VIX +4.49%) and falling oil (–3.99%), while equities (S&P 500 –1.13%, Nasdaq –1.19%) and the 10Y bond yield (–2.8%) declined alongside a slightly weaker dollar (DXY –0.57%).
（Data accurate as of: 20 Oct, 2025, 3:00 am, UTC）
Key Events of the Week
Prediction Market | Polymarket launches up/down equity markets letting users bet on stock prices (15 Oct)
Polymarket has added up/down equity and index markets, letting users bet if a stock or benchmark finishes higher or lower by a set time.
NFT | OpenSea sets SEA token launch for Q1 2026, with 50% of revenue earmarked for buybacks (18 Oct)
NFT & RWA | Magic Eden teases upcoming NFT and RWA pack drops (14 Oct)
Magic Eden is launching pack drops, hinting at NFT and RWA packs coming soon to expand collectible formats on its platform.
NFT | Coinbase buys Cobie’s Up Only NFT for $25 million, unlocking potential for new episodes (20 Oct)
The NFT’s fine print states that if bought, Cobie and his cohort Ledger have to produce eight episodes of the once-popular podcast.
ETF | SEC Approves 21Shares Solana Spot ETF (18 Oct)
The 21Shares Solana ETF ($SOL) is now officially registered on the Cboe BZX Exchange, indicating the product could begin trading soon.
Sentiment Market | Myriad launches onchain perpetual sentiment markets to price collective belief (14 Oct)
Myriad introduces perpetual sentiment markets where users stake capital to express belief on topics like fear vs greed or Trump approval, transforming opinion into tradable, trackable onchain data.
Wrapping Up
From a market data perspective: Crypto market contracted with total market cap falling to 3.67 trillion dollars, DEX volume declining nearly 18 percent, meme and NFT segments weakening sharply, while tokenized RWA was the only sector to record gains.
From a market events perspective: Despite short-term pullbacks, new narratives gained traction—Polymarket launched equity prediction markets, the SEC approved a Solana ETF, and major platforms like OpenSea, Magic Eden, and Coinbase pushed NFT and RWA innovations, signaling fresh growth drivers.
