三枚硬幣與蓍草：兩種以誠實方式起卦的方法

People who start an I Ching practice online often meet the three-coin method first. People who study classical practice often hear about yarrow stalks first. Both can build a six-line hexagram. They ask for different amounts of time, carry different historical weight in many lineages, and feel different as chance procedures. Ranking them as “better oracles” usually helps nobody.

This article was developed with AI assistance. Product claims were checked against I Ching Reflection’s public pages and project records. It is not traditional authority, a forecast, or a ranking of divinatory systems.

I Ching Reflection implements a paced three-coin ritual online: six casts, bottom-up lines, chance locked before reading text. This post compares that choice with yarrow practice as a neighbor—not a rival to defeat.

Contents

1. What both methods are trying to do
2. Time and attention
3. Tradition and “who it suits”
4. Probability feel (without fake precision)
5. What an honest online tool should disclose
6. Try the three-coin sequence (leaves Dev.to)

What both methods are trying to do

At the procedural level, both paths aim at the same kind of object: six lines, often with some lines marked as changing, which may form a relating pattern. The shared craft is ordered observation: each step contributes one line; the figure is complete only after the sixth.

Where they diverge is the instrument of chance and the tempo of the ritual. Coins are quick and portable. Yarrow, in the lineages that still teach it carefully, is slower and more ceremonial. Neither property automatically makes a reading wiser. Tempo changes what kind of attention you can bring—and what kind of software shortcut becomes tempting.

For a plain English map of how this project frames the Book of Changes as reflective practice, see What is the I Ching? (opens off Dev.to).

Time and attention

Three coins fit a desk, a classroom demo, or a short online session. One cast → one line → six times. Many modern English guides (including classroom materials) teach this path because students can finish a complete figure without a long workshop.

Yarrow stalks, when practiced with care, usually ask for more minutes and more handwork. That length is not a bug for people who want the process itself to slow the question down. It can be a barrier for someone who only has a quiet ten minutes, or who is learning line order for the first time.

If you are choosing a first method, ask which scarcity you actually have: time, materials, teacher access, or patience with ambiguity. The “right” method is the one you will finish honestly—not the one that sounds most ancient in a comment thread.

Tradition and who it suits

Yarrow practice sits inside long teaching lineages. I am not a classical authority, and this article does not try to summarize every historical variant. What matters for a modern reader is humility: coin convenience does not erase yarrow’s place, and yarrow prestige does not invalidate a careful coin cast.

Coins suit:

• beginners who need a complete, checkable six-line record
• online tools that must show one committed outcome per gesture
• teaching contexts where materials must be cheap and repeatable

Yarrow suits:

• practitioners who want a slower bodily ritual
• study settings where a teacher can correct procedure
• readers who treat duration as part of the asking

I Ching Reflection chose coins because we are building an online ritual that should feel closer to six tabletop outcomes than to a one-tap draw. That is a product preference, not a claim that coins are the only authentic Yi.

Probability feel (without fake precision)

English internet arguments love to declare that one method is “more random” or “more traditional” with spreadsheet confidence. Scholarly and practitioner discussions of historical probabilities are real—and contested. This project’s rule is simpler and more useful for software:

Disclose what your interface actually did.

For three coins as we implement them: each click commits one three-coin total; values map to line states (6/7/8/9 in the usual modern teaching shorthand); six ordered casts form the Primary Hexagram; changing lines may form a Relating Hexagram; the question does not rewrite the cast; animation and reading text come after the commits.

For yarrow: an honest guide should say which procedure it follows, who taught it, and that software recreations are models—not the stalks in your hands.

We do not publish a fake “scientific ranking” of which method yields better life advice. Chance methods can support reflection; they do not verify hidden facts, read minds, or replace medical, legal, or safety judgment. See our boundaries page if you want the short version of those limits.

What an honest online tool should disclose

Whether the UI shows coins, stalks, or abstract buttons, trust comes from causal order:

1. Chance event(s) happen.
2. Six line positions are recorded (first line at the bottom).
3. Only then does interpretive text speak.

A beautiful animation that decides the hexagram afterward is ceremony theater. A one-click “instant I Ching” can still be a useful prompt generator—if it says so. Collapsing six commitments into a single opaque RNG call while claiming a coin ritual is the failure mode we refuse.

Bottom-up order is not decoration. Reverse the same six totals and you can identify a different hexagram. That is why our how-to guide treats order as structure, not style.

Try the three-coin sequence

If you want the paced coin path—six casts, bottom-up, reading after the figure locks—here is the step-by-step we maintain:

How to cast the I Ching with three coins

You can use physical coins with that guide, or use the online ritual that commits each cast before the landing animation. Either way, the useful sequence stays the same: record first, interpret second, decide in the real world.

If you practice yarrow and want to correct a simplification here, say so in the comments—with the procedure you actually use. Specific beats vague prestige every time.