There's no shortage of exchange-traded funds (ETFs) on the ASX.
But if the goal is to buy and hold for the long term, I think it makes sense to keep things simple and focus on funds that offer strong diversification, clear strategies, and exposure to durable growth trends.
Here are three Betashares ETFs I'd consider holding for the next decade.

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Betashares Nasdaq 100 ETF (ASX: NDQ)
If I want exposure to global growth, this is one of the first places I look.
The NDQ ETF tracks the Nasdaq 100, which is home to many of the world's most influential technology companies. We're talking about businesses at the centre of trends like artificial intelligence, cloud computing, and digital platforms.
What I like about this ETF is that it provides broad exposure to these themes without requiring me to pick individual winners.
It won't always outperform. In fact, it can be volatile, especially when tech stocks fall out of favour.
But over long periods, companies driving global innovation have tended to deliver strong returns. That's why I think NDQ can earn a place in a long-term portfolio.
Betashares Global Cybersecurity ETF (ASX: HACK)
Cybersecurity is an industry growing rapidly. As more of the world moves online, the need to protect data, systems, and infrastructure is only increasing.
The HACK ETF provides exposure to a portfolio of global companies involved in cybersecurity, spanning network protection, identity security, and threat detection.
What stands out to me is the durability of demand. Regardless of economic conditions, organisations still need to invest in security. In many cases, spending in this area is considered non-discretionary.
That gives this Betashares ETF a structural growth tailwind that I think could play out over many years.
Betashares Australian Quality ETF (ASX: AQLT)
While global exposure is important, I also like having something closer to home.
The AQLT ETF focuses on high-quality Australian shares, selecting companies based on metrics such as profitability, earnings stability, and balance sheet strength.
In other words, it tilts toward companies that have historically been more resilient and consistent. This can be useful for balancing higher-growth, higher-volatility exposures, such as the NDQ ETF.
It also means you're not just getting broad market exposure, but a filtered version that leans toward stronger businesses.
Over time, that quality tilt has the potential to support more stable returns.
Why I like this mix
These three ETFs each play a different role.
The NDQ ETF offers exposure to global innovation and growth. The HACK ETF offers a thematic angle on a critical and expanding industry. The AQLT ETF adds a layer of quality and domestic exposure.
Together, they cover a lot of ground without becoming overly complicated.
Of course, they're not the only ETFs worth considering. But I think they show how you can build a long-term portfolio around a few clear ideas.
Foolish Takeaway
For long-term investing, simplicity and consistency matter more than trying to be clever. These Betashares ETFs offer exposure to growth, resilience, and structural trends that could play out over the next decade.
They won't move in a straight line, and there will be periods of volatility. But for investors willing to stay the course, I think they're the kind of ETFs that can be bought, held, and largely left alone to do their job over time.