Cryptocurrency markets are busy in May, with Presales warming up and Altcoins testing key resistance levels.

Obviously, some networks are growing in momentum in the second half of 2025, and choosing the right entry point now can mean huge returns.

In a busy month in the cryptocurrency space, pre-sale activity heated up, alternative tokens tested key resistance levels, while some networks performed well in the second half of 2025. Obviously, choosing the right entry point now can mean a huge reward.

While platforms like Chainlink and Cosmos are exploring new integrations and listings, and Aptos expands liquidity access, Blockdag's daily buyer competition and pre-sale metrics are creating new opportunities. The competition between these four is very intense, but each provides a unique perspective for those who are buying top cryptocurrencies now.

Here is a more in-depth look at all four networks that made headlines in May 2025 and why they have a place on this list.

1. Blockdag pre-sales reached $240.5 million, deadline approaching

Blockdag's pre-sales officially broke the $240.5 million threshold, and nearly 2 billion BDAG coins have been sold so far. The current price is $0.0262 in lot 28, providing the final entry point before the major jump.

What sparked heated discussion was its "Buyer War" event, in which top referrals and big buyers win BDAG rewards every day. This setup has turned the purchase into a competitive event with 100 million BDAGs being the target, adding strong momentum to pre-sales and making Blockdag the spotlight.

But the focus is more than just hype. It is supported by delivery. The X1 mobile mining app now has over 1 million users, demonstrating a strong reality traction. The network itself combines the DAG architecture with a proof of work, with positioning speeds up to 15,000 TPS. Certik and Halborn reviewed the protocol, and real-time Beta TestNet is already showing network capabilities.

With 17,000 miners involved, the Milan International Partnership was guaranteed and 10 exchange listings on the roadmap, BlockDag was supported by actual progress. With the current price deadline coming to an end, it will rank first among the top cryptocurrencies purchased now, especially for those seeking higher upside potential.

2. Chainlink unlocks new rewards for Stakers

Chainlink has been staying on radar due to its strong fundamentals and recent technological momentum. As of May 12, Link is priced at $17.10 and has just launched its "season" Stage Reward program. The program enables users who hold Chainlink to earn a share of 100 million SXT tokens from Chainlink's partners (Time and Space). The claim begins on May 8 and will run for 90 days, providing interesting incentives for current holders and new participants.

In terms of technology trends, Chainlink recently broke the long-term downtrend line, suggesting that a potential price reversal may be happening. This bullish breakout has attracted attention to Link as a competitor among the top cryptocurrencies you are buying now. The network continues to expand its real-world data integration and discussions to make it a critical infrastructure for DeFi. With market confidence returning and the technical setup stabilization, Chainlink may offer strong upside potential for buyers in the current range.

3. Cosmos launch drives new momentum

Cosmos shows new signs of demand after experiencing a period of low volatility. Atom is trading at $5.32, despite intraday volatility, but the recent news of listing on Japan's leading exchanges has attracted interest. The move is expected to boost liquidity and access to Japanese traders and could drive additional trading volume and interest in Asia in the coming weeks.

Just a few days ago, Cosmos saw a 4.5% rebound from the $4.44 price, suggesting that the Bulls stepped in again. As institutional interest builds around the Cosmos ecosystem, analysts are also paying close attention. Its interoperability approach and modular SDK continue to attract developers who are building applications specific blockchains. For those who have been undervalued coins before regaining wider attention, Cosmos has made a strong case for being considered the top cryptocurrency to be purchased now, especially during the second quarter of 2025 listing and network upgrades.

4. Aptos prepares to unlock tokens upgraded in the trading engine

Aptos is another coin that made headlines in May, although it is navigating some mixed settings. The current price is around $5.95, showing short-term weakness after the wider market cools down. However, APTO is upgrading its global trading engine to improve liquidity, while Binance reports that the APT/USDT pair jumped to $9.05 in early May trading. This suggests a potential demand, especially in high-volume environments.

Another major event: unlocking 113.1 million Aptos tokens, with a value of approximately

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